$GH
Guardant Health, Inc. Stock $gh

$gh Overview Financials Valuation SEC Filings Company Website

2020 Q1 Form 10-K Financial Statement

#000162828020002613 Filed on March 02, 2020

Income Statement

Concept	2020 Q1	2019 Q1	2019
Revenue	$67.51M	$36.66M	$214.4M
YoY Change	84.18%	119.6%	136.52%
Cost Of Revenue	$20.51M	$13.54M	$70.70M
YoY Change	51.48%	46.38%	63.66%
Gross Profit	$47.00M	$23.12M	$143.7M
YoY Change	103.29%	210.75%	203.16%
Gross Profit Margin	69.62%	63.07%	67.03%
Selling, General & Admin	$44.90M	$30.47M	$139.7M
YoY Change	47.37%	70.87%	55.85%
% of Gross Profit	95.53%	131.78%	97.24%
Research & Development	$37.02M	$16.32M	$86.29M
YoY Change	126.87%	97.65%	70.15%
% of Gross Profit	78.76%	70.57%	60.05%
Depreciation & Amortization	$3.304M	$2.354M	$11.41M
YoY Change	40.36%	68.75%	59.91%
% of Gross Profit	7.03%	10.18%	7.94%
Operating Expenses	$81.92M	$46.78M	$226.0M
YoY Change	75.09%	79.35%	61.02%
Operating Profit	-$34.91M	-$23.66M	-$82.37M
YoY Change	47.53%	26.91%	-11.37%
Interest Expense	$12.00K	$293.0K	$1.181M
YoY Change	-95.9%	-11.48%	-5.6%
% of Operating Profit
Other Income/Expense, Net	-$209.0K	$147.0K	$88.00K
YoY Change	-242.18%	-96.46%	-98.13%
Pretax Income	-$31.82M	-$21.33M	-$69.72M
YoY Change	49.19%	54.04%	-17.22%
Income Tax	$14.00K	$26.00K	-$1.872M
% Of Pretax Income
Net Earnings	-$31.83M	-$21.35M	-$75.65M
YoY Change	49.07%	54.23%	-11.06%
Net Earnings / Revenue	-47.15%	-58.25%	-35.29%
Basic Earnings Per Share			-$0.84
Diluted Earnings Per Share	-$293.8K	-$303.1K	-$0.84
COMMON SHARES
Basic Shares Outstanding	94.38M shares	85.93M shares	90.60M shares
Diluted Shares Outstanding			90.60M shares

Balance Sheet

Concept	2020 Q1	2019 Q1	2019
SHORT-TERM ASSETS
Cash & Short-Term Investments	$520.1M	$466.9M	$522.8M
YoY Change	11.39%		24.77%
Cash & Equivalents	$152.2M	$153.8M	$143.2M
Short-Term Investments	$367.9M	$313.1M	$379.6M
Other Short-Term Assets	$14.10M	$6.200M	$11.40M
YoY Change	127.42%		119.23%
Inventory	$25.15M	$10.26M	$15.20M
Prepaid Expenses
Receivables	$48.02M	$40.60M	$48.00M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$607.4M	$512.3M	$597.4M
YoY Change	18.57%		27.38%
LONG-TERM ASSETS
Property, Plant & Equipment	$46.69M	$30.58M	$72.80M
YoY Change	52.66%		134.84%
Goodwill	$3.290M
YoY Change
Intangibles	$17.68M
YoY Change
Long-Term Investments	$238.2M	$25.90M	$268.8M
YoY Change	819.69%		246.39%
Other Assets	$4.721M	$2.862M	$11.80M
YoY Change	64.95%		20.41%
Total Long-Term Assets	$340.8M	$66.92M	$365.1M
YoY Change	409.26%		208.36%
TOTAL ASSETS
Total Short-Term Assets	$607.4M	$512.3M	$597.4M
Total Long-Term Assets	$340.8M	$66.92M	$365.1M
Total Assets	$948.2M	$579.2M	$962.5M
YoY Change	63.71%		63.86%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$24.38M	$7.163M	$16.20M
YoY Change	240.33%		52.83%
Accrued Expenses	$23.07M	$9.137M	$41.20M
YoY Change	152.52%		121.51%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due		$100.0K
YoY Change
Total Short-Term Liabilities	$82.32M	$48.19M	$72.70M
YoY Change	70.82%		55.01%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$100.0K	$0.00
YoY Change	-100.0%		-100.0%
Other Long-Term Liabilities	$1.459M	$150.0K	$41.80M
YoY Change	872.67%		171.43%
Total Long-Term Liabilities	$1.459M	$150.0K	$41.80M
YoY Change	872.67%		169.68%
TOTAL LIABILITIES
Total Short-Term Liabilities	$82.32M	$48.19M	$72.70M
Total Long-Term Liabilities	$1.459M	$150.0K	$41.80M
Total Liabilities	$117.6M	$64.54M	$164.1M
YoY Change	82.15%		57.33%
SHAREHOLDERS EQUITY
Retained Earnings	-$380.5M	-$275.9M
YoY Change	37.93%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$785.1M	$468.1M	$798.4M
YoY Change
Total Liabilities & Shareholders Equity	$948.2M	$579.2M	$962.5M
YoY Change	63.71%		63.86%

Cashflow Statement

Concept	2020 Q1	2019 Q1	2019
OPERATING ACTIVITIES
Net Income	-$31.83M	-$21.35M	-$75.65M
YoY Change	49.07%	54.23%	-11.06%
Depreciation, Depletion And Amortization	$3.304M	$2.354M	$11.41M
YoY Change	40.36%	68.75%	59.91%
Cash From Operating Activities	-$13.28M	-$4.303M	-$47.13M
YoY Change	208.67%	-34.4%	-34.7%
INVESTING ACTIVITIES
Capital Expenditures	$9.598M	$2.705M	$18.72M
YoY Change	254.82%	-32.73%	-7.36%
Acquisitions			$7.328M
YoY Change
Other Investing Activities	$48.29M	$18.03M	-$296.4M
YoY Change	167.83%	44.36%	123.1%
Cash From Investing Activities	$20.80M	$15.33M	-$317.6M
YoY Change	35.72%	80.98%	107.52%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			-$350.4M
YoY Change			38.06%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$1.466M	$2.288M	$367.3M
YoY Change	-35.93%	80.58%	25.29%
NET CHANGE
Cash From Operating Activities	-$13.28M	-$4.303M	-$47.13M
Cash From Investing Activities	$20.80M	$15.33M	-$317.6M
Cash From Financing Activities	$1.466M	$2.288M	$367.3M
Net Change In Cash	$9.011M	$13.25M	$2.684M
YoY Change	-31.97%	316.77%	-96.05%
FREE CASH FLOW
Cash From Operating Activities	-$13.28M	-$4.303M	-$47.13M
Capital Expenditures	$9.598M	$2.705M	$18.72M
Free Cash Flow	-$22.88M	-$7.008M	-$65.85M
YoY Change	226.48%	-33.76%	-28.72%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0001576280
CY2019	dei	Trading Symbol TradingSymbol	GH
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	0	USD
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0000001
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0000001
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	350000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	350000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	85832454	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	94261414	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	85832454	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	94261414	shares
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	0	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	0	USD
CY2018Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0000001
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0000001
CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2018Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	67948000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	39005000	USD
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	1698790	shares
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	962535000	USD
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018Q4	us-gaap	Restricted Cash RestrictedCash	0	USD
CY2019Q4	us-gaap	Restricted Cash RestrictedCash	0	USD
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	001-38683
CY2019	dei	Entity Registrant Name EntityRegistrantName	GUARDANT HEALTH, INC.
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	45-4139254
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	505 Penobscot Dr.
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Redwood City
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2046000	USD
CY2019Q4	us-gaap	Assets Assets	962535000	USD
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	94063
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	587403000	USD
CY2019	dei	City Area Code CityAreaCode	855
CY2019	dei	Local Phone Number LocalPhoneNumber	698-8887
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	6890000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	7800000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	4882000	USD
CY2019	dei	Security12b Title Security12bTitle	Common Stock, par value $0.00001
CY2019	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019Q2	dei	Entity Public Float EntityPublicFloat	3400000000	USD
CY2020Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	94382681	shares
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	143228000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	140544000	USD
CY2019Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	379574000	USD
CY2018Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	278417000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	47986000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	35690000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	15181000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	9136000	USD
CY2019Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	11389000	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	5204000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	597358000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	468991000	USD
CY2019Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	268783000	USD
CY2018Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	77563000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	43668000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	31003000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	29140000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	8524000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	0	USD
CY2019Q4	us-gaap	Goodwill Goodwill	3290000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	0	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	325000	USD
CY2019Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	45100000	USD
CY2018Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	48300000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	114542000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	62451000	USD
CY2018Q4	us-gaap	Assets Assets	587403000	USD
CY2019Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Liabilities VariableInterestEntityConsolidatedCarryingAmountLiabilities	5700000	USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Liabilities VariableInterestEntityConsolidatedCarryingAmountLiabilities	1200000	USD
CY2019	gh	Revenuefrom Precision Oncology Testing RevenuefromPrecisionOncologyTesting	180462000	USD
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	49600000	USD
CY2018Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	41800000	USD
CY2019Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2018Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	0	USD
CY2018Q4	gh	Accrued Royalties Noncurrent AccruedRoyaltiesNoncurrent	7338000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1672000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	16197000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	10642000	USD
CY2019Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	18557000	USD
CY2018Q4	us-gaap	Deferred Compensation Liability Current DeferredCompensationLiabilityCurrent	12986000	USD
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	25703000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	7178000	USD
CY2019Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	12277000	USD
CY2018Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	16138000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	72734000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	46944000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	33256000	USD
CY2019Q4	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	0	USD
CY2018Q4	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	7844000	USD
CY2019Q4	gh	Accrued Royalties Noncurrent AccruedRoyaltiesNoncurrent	6880000	USD
CY2019Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	1000	USD
CY2018Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	1000	USD
CY2019Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1150090000	USD
CY2018Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	764033000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1111000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-83000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-352809000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-280799000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	798393000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	483152000	USD
CY2019	gh	Revenuefrom Development Services RevenuefromDevelopmentServices	33913000	USD
CY2018	gh	Revenuefrom Development Services RevenuefromDevelopmentServices	12232000	USD
CY2017	gh	Revenuefrom Development Services RevenuefromDevelopmentServices	7754000	USD
CY2019	us-gaap	Revenues Revenues	214375000	USD
CY2018	us-gaap	Revenues Revenues	90639000	USD
CY2018	gh	Revenuefrom Precision Oncology Testing RevenuefromPrecisionOncologyTesting	78407000	USD
CY2017	gh	Revenuefrom Precision Oncology Testing RevenuefromPrecisionOncologyTesting	42088000	USD
CY2017	us-gaap	Revenues Revenues	49842000	USD
CY2019	gh	Costsof Precision Oncology Testing CostsofPrecisionOncologyTesting	62255000	USD
CY2018	gh	Costsof Precision Oncology Testing CostsofPrecisionOncologyTesting	39846000	USD
CY2018	gh	Costof Development Services CostofDevelopmentServices	3364000	USD
CY2017	gh	Costsof Precision Oncology Testing CostsofPrecisionOncologyTesting	28883000	USD
CY2019	gh	Costof Development Services CostofDevelopmentServices	8465000	USD
CY2017	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	0	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-75651000	USD
CY2017	gh	Costof Development Services CostofDevelopmentServices	2735000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	86292000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	50714000	USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	25562000	USD
CY2019	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	78335000	USD
CY2018	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	53465000	USD
CY2017	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	32497000	USD
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	61399000	USD
CY2018	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	36192000	USD
CY2017	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	36777000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	296746000	USD
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	183581000	USD
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	126454000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	-82371000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	-92942000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	-76612000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	13741000	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	5266000	USD
CY2017	us-gaap	Investment Income Interest InvestmentIncomeInterest	2234000	USD
CY2019	us-gaap	Interest Expense InterestExpense	1181000	USD
CY2018	us-gaap	Interest Expense InterestExpense	1251000	USD
CY2017	us-gaap	Interest Expense InterestExpense	2702000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5075000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	88000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	4702000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1059000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-69723000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-84225000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-83214000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1872000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	38000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	-67851000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-84263000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	-83221000	USD
CY2019	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	7800000	USD
CY2018	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	800000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-85063000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-83221000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-75651000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	449000	USD
CY2018	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	-84263000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	483152000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-85063000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-88995000	USD
CY2019	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.84
CY2018	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-2.80
CY2017	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-7.07
CY2019	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	90597000	shares
CY2018	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	30403000	shares
CY2017	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	12582000	shares
CY2019	us-gaap	Profit Loss ProfitLoss	-67851000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-84263000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	-83221000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1110000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	449000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-446000	USD
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	84000	USD
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1194000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	449000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-446000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-66657000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-83814000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-83667000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	7800000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	800000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	0	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-74457000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-84614000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-83667000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	79696000	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	753000	USD
CY2017	gh	Stock Issued During Period Value Exerciseof Warrants StockIssuedDuringPeriodValueExerciseofWarrants	12000	USD
CY2017	gh	Adjustmentsto Additional Paidin Capital Sharebased Compensation For Early Exercised Stock Options AdjustmentstoAdditionalPaidinCapitalSharebasedCompensationForEarlyExercisedStockOptions	103000	USD
CY2017	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	7222000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3670000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-446000	USD
CY2017	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	-83221000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	308606000	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2905000	USD
CY2018	gh	Stock Issued During Period Value Exerciseof Warrants StockIssuedDuringPeriodValueExerciseofWarrants	45000	USD
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	172000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6851000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	349709000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	11638000	USD
CY2018	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	800000	USD
CY2019	gh	Stock Issued During Period Value Stock Options Exercised Early StockIssuedDuringPeriodValueStockOptionsExercisedEarly	95000	USD
CY2019	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	6395000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	16954000	USD
CY2019	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	7800000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1194000	USD
CY2019	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	-67851000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	798393000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	-67851000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-84263000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	-83221000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	11411000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7136000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	5206000	USD
CY2019	gh	Amortization Of Right Of Use Assets AmortizationOfRightOfUseAssets	2198000	USD
CY2018	gh	Amortization Of Right Of Use Assets AmortizationOfRightOfUseAssets	0	USD
CY2017	gh	Amortization Of Right Of Use Assets AmortizationOfRightOfUseAssets	0	USD
CY2019	gh	Unrealized Translations Gain Loss On Obligation Related To Royalty UnrealizedTranslationsGainLossOnObligationRelatedToRoyalty	147000	USD
CY2018	gh	Unrealized Translations Gain Loss On Obligation Related To Royalty UnrealizedTranslationsGainLossOnObligationRelatedToRoyalty	357000	USD
CY2017	gh	Unrealized Translations Gain Loss On Obligation Related To Royalty UnrealizedTranslationsGainLossOnObligationRelatedToRoyalty	-980000	USD
CY2019	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	300000	USD
CY2018	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	USD
CY2017	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	16954000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	6851000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	3670000	USD
CY2019	gh	Noncash Interest Expense Paid NoncashInterestExpensePaid	0	USD
CY2018	gh	Noncash Interest Expense Paid NoncashInterestExpensePaid	13000	USD
CY2017	gh	Noncash Interest Expense Paid NoncashInterestExpensePaid	-685000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5075000	USD
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	2310000	USD
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	412000	USD
CY2017	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-359000	USD
CY2019	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	-1597000	USD
CY2018	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	0	USD
CY2017	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	0	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	7389000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	22903000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	9292000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	6045000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1849000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	4518000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	6185000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3663000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-30000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2852000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	451000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	883000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	4341000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	5046000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1250000	USD
CY2019	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	5571000	USD
CY2018	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	8075000	USD
CY2017	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	2348000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	9213000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	286000	USD
CY2017	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	4657000	USD
CY2019	gh	Long Term Operating Lease Liabilities Net Of Right Of Use Assets LongTermOperatingLeaseLiabilitiesNetOfRightOfUseAssets	1039000	USD
CY2018	gh	Long Term Operating Lease Liabilities Net Of Right Of Use Assets LongTermOperatingLeaseLiabilitiesNetOfRightOfUseAssets	0	USD
CY2017	gh	Long Term Operating Lease Liabilities Net Of Right Of Use Assets LongTermOperatingLeaseLiabilitiesNetOfRightOfUseAssets	0	USD
CY2019	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	0	USD
CY2018	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	-1307000	USD
CY2017	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	-204000	USD
CY2019	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-3861000	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	13025000	USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	1215000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	76000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	0	USD
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-47134000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-72185000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-72235000	USD
CY2019	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	614290000	USD
CY2018	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	287450000	USD
CY2017	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	236835000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	325333000	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	154625000	USD
CY2017	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	75402000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	7328000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	18717000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	20203000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6681000	USD
CY2019	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	2500000	USD
CY2018	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	0	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	11639000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3111000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	172000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	7222000	USD
CY2017	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	USD
CY2019	gh	Payments In Connection With License Agreements PaymentsInConnectionWithLicenseAgreements	68000	USD
CY2018	gh	Payments In Connection With License Agreements PaymentsInConnectionWithLicenseAgreements	0	USD
CY2017	gh	Payments In Connection With License Agreements PaymentsInConnectionWithLicenseAgreements	2302000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-317570000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-153028000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-170416000	USD
CY2019	gh	Payment Relatedto Settlementof Debtand Buyoutof Royalty Obligations PaymentRelatedtoSettlementofDebtandBuyoutofRoyaltyObligations	311000	USD
CY2018	gh	Payment Relatedto Settlementof Debtand Buyoutof Royalty Obligations PaymentRelatedtoSettlementofDebtandBuyoutofRoyaltyObligations	0	USD
CY2017	gh	Payment Relatedto Settlementof Debtand Buyoutof Royalty Obligations PaymentRelatedtoSettlementofDebtandBuyoutofRoyaltyObligations	25844000	USD
CY2019	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	128000	USD
CY2018	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	443000	USD
CY2017	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	244000	USD
CY2019	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Convertible Preferred Stock ProceedsFromIssuanceOfConvertiblePreferredStock	319536000	USD
CY2019	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	6395000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	753000	USD
CY2019	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	0	USD
CY2018	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	45000	USD
CY2017	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	12000	USD
CY2019	us-gaap	Payments For Repurchase Of Convertible Preferred Stock PaymentsForRepurchaseOfConvertiblePreferredStock	0	USD
CY2018	us-gaap	Payments For Repurchase Of Convertible Preferred Stock PaymentsForRepurchaseOfConvertiblePreferredStock	0	USD
CY2017	us-gaap	Payments For Repurchase Of Convertible Preferred Stock PaymentsForRepurchaseOfConvertiblePreferredStock	5335000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	350432000	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	254006000	USD
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2019	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	723000	USD
CY2018	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	4386000	USD
CY2017	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	USD
CY2019	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	USD
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	41000000	USD
CY2017	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	367304000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	293161000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	281656000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	102000	USD
CY2018	gh	Offering Costs Incurredbut Notyet Paid OfferingCostsIncurredbutNotyetPaid	89000	USD
CY2017	gh	Offering Costs Incurredbut Notyet Paid OfferingCostsIncurredbutNotyetPaid	0	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	26000	USD
CY2019	gh	Capitalized License Fees Financed Through Future Royalty Payment CapitalizedLicenseFeesFinancedThroughFutureRoyaltyPayment	0	USD
CY2018	gh	Capitalized License Fees Financed Through Future Royalty Payment CapitalizedLicenseFeesFinancedThroughFutureRoyaltyPayment	0	USD
CY2017	gh	Capitalized License Fees Financed Through Future Royalty Payment CapitalizedLicenseFeesFinancedThroughFutureRoyaltyPayment	6302000	USD
CY2019	gh	Increase Decrease In Capital Expenditures Incurred But Not Yet Paid IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid	3296000	USD
CY2018	gh	Increase Decrease In Capital Expenditures Incurred But Not Yet Paid IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid	897000	USD
CY2017	gh	Increase Decrease In Capital Expenditures Incurred But Not Yet Paid IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid	591000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	84000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	0	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	0	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2684000	USD
CY2019	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	0	USD
CY2018	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	0	USD
CY2017	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	346000	USD
CY2019	gh	Conversionof Stock Upon Initial Public Offering ConversionofStockUponInitialPublicOffering	0	USD
CY2018	gh	Conversionof Stock Upon Initial Public Offering ConversionofStockUponInitialPublicOffering	499974000	USD
CY2018Q3	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.7378
CY2017	gh	Conversionof Stock Upon Initial Public Offering ConversionofStockUponInitialPublicOffering	0	USD
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	1065000	USD
CY2018Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	350000000	shares
CY2018Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2019Q2	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	5175000	shares
CY2019Q2	us-gaap	Shares Issued Price Per Share SharesIssuedPricePerShare	71.00
CY2019Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	349700000	USD
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	0	USD
CY2017Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	0	USD
CY2019	gh	Offering Costs Incurredbut Notyet Paid OfferingCostsIncurredbutNotyetPaid	0	USD
CY2017	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	1181000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	1251000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	1339000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	298000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	140544000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	72596000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	33591000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	143228000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	140544000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	72596000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	16714000	USD
CY2018	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2019Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	6200000	USD
CY2019Q1	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	4900000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	12300000	USD
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	16100000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	15200000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation Optional Exemption Remaining Duration RevenueRemainingPerformanceObligationOptionalExemptionRemainingDuration	P12M
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;padding-bottom:10px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</span></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The preparation of consolidated financial statements in conformity with GAAP requires management to make certain estimates, judgments and assumptions that affect the reported amounts of assets and liabilities and the related disclosures at the date of the consolidated financial statements, as well as the reported amounts of revenues and expenses during the periods presented. The Company bases its estimates on historical experience and other market-specific or other relevant assumptions that it believes to be reasonable under the circumstances. Estimates are used in several areas including, but not limited to, estimation of variable consideration, standalone selling price allocation included in contracts with multiple performance obligations, the fair value of assets acquired and liabilities assumed for business combinations, goodwill and identifiable intangible assets, stock-based compensation, contingencies, certain inputs into the provision for (benefit from) income taxes, including related reserves, valuation of redeemable noncontrolling interest, among others. These estimates generally involve complex issues and require judgments, involve the analysis of historical results and prediction of future trends, can require extended periods of time to resolve and are subject to change from period to period. Actual results may differ materially from management’s estimates.</span></div>
CY2019	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="line-height:120%;padding-bottom:10px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Concentration of Risk</span></div><div style="line-height:120%;padding-bottom:10px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The Company is subject to credit risk from its portfolio of cash equivalents held at one commercial bank and investments in marketable securities. The Company limits its exposure to credit losses by investing in money market funds through a U.S. bank with high credit ratings. The Company’s cash may consist of deposits held with banks that may at times exceed federally insured limits, however, its exposure to credit risk in the event of default by the financial institution is limited to the extent of amounts recorded on the consolidated balance sheets. The Company performs evaluations of the relative credit standing of these financial institutions to limit the amount of credit exposure.</span></div><div style="line-height:120%;padding-bottom:10px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The Company also invests in investment‑grade debt instruments and has policy limits for the amount it can invest in any one type of security, except for securities issued or guaranteed by the U.S. government. The goals of the Company’s investment policy, in order of priority, are as follows: safety and preservation of principal and diversification of risk; liquidity of investments sufficient to meet cash flow requirements; and a competitive after‑tax rate of return. Under its investment policy, the Company limits amounts invested in such securities by credit rating, maturity, investment type and issuer, as a result, the Company is not exposed to any significant concentrations of credit risk from these financial instruments.</span></div><div style="line-height:120%;padding-bottom:10px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The Company is also subject to credit risk from its accounts receivable. The majority of the Company’s accounts receivable arises from the provision of precision oncology services in the United States and are primarily with biopharmaceutical companies with high credit ratings. The Company has not experienced any material losses related to receivables from individual customers, or groups of customers. The Company does not require collateral. Accounts receivable are recorded at the invoiced amount and do not bear interest.</span></div>
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	0	USD
CY2019	us-gaap	Advertising Expense AdvertisingExpense	1300000	USD
CY2018	us-gaap	Advertising Expense AdvertisingExpense	200000	USD
CY2017	us-gaap	Advertising Expense AdvertisingExpense	300000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	35690000	USD
CY2019Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	40597000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-280799000	USD
CY2019Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-275892000	USD
CY2019	gh	Revenuefrom Precision Oncology Testing RevenuefromPrecisionOncologyTesting	180462000	USD
CY2019	gh	Revenuefrom Development Services RevenuefromDevelopmentServices	33913000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	47986000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-352809000	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	14500000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	22400000	USD
CY2019Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	3464000	USD
CY2018Q4	gh	Estimated Litigation Liability Legal Fees Current EstimatedLitigationLiabilityLegalFeesCurrent	814000	USD
CY2019Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	45100000	USD
CY2019	us-gaap	Noncontrolling Interest In Net Income Loss Joint Venture Partners Redeemable NoncontrollingInterestInNetIncomeLossJointVenturePartnersRedeemable	-3900000	USD
CY2019	gh	Redeemable Noncontrolling Interest Fair Value Adjustment RedeemableNoncontrollingInterestFairValueAdjustment	11700000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	65591000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	47637000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	21923000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	16634000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	43668000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	31003000	USD
CY2019	us-gaap	Depreciation Depreciation	9300000	USD
CY2018Q4	us-gaap	Depreciation Depreciation	6100000	USD
CY2017	us-gaap	Depreciation Depreciation	4200000	USD
CY2019Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	1564000	USD
CY2018Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	707000	USD
CY2019Q4	gh	Estimated Litigation Liability Legal Fees Current EstimatedLitigationLiabilityLegalFeesCurrent	1046000	USD
CY2019Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	3050000	USD
CY2018Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	1470000	USD
CY2018Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	1791000	USD
CY2019Q4	gh	Accrued Clinical Trialsand Studies AccruedClinicalTrialsandStudies	2029000	USD
CY2018Q4	gh	Accrued Clinical Trialsand Studies AccruedClinicalTrialsandStudies	236000	USD
CY2019Q4	gh	Accrued Expenses Propertyand Equipment Current AccruedExpensesPropertyandEquipmentCurrent	2424000	USD
CY2018Q4	gh	Accrued Expenses Propertyand Equipment Current AccruedExpensesPropertyandEquipmentCurrent	343000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	7140000	USD
CY2018Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	0	USD
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	4986000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1817000	USD
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	25703000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	7178000	USD
CY2019Q4	gh	Debt Securities Availableforsaleand Cashand Cash Equivalents Amortized Cost DebtSecuritiesAvailableforsaleandCashandCashEquivalentsAmortizedCost	657696000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1433000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	39000	USD
CY2019Q4	gh	Cash Cash Equivalentsand Debt Securities Fair Value CashCashEquivalentsandDebtSecuritiesFairValue	659090000	USD
CY2018Q4	gh	Debt Securities Availableforsaleand Cashand Cash Equivalents Amortized Cost DebtSecuritiesAvailableforsaleandCashandCashEquivalentsAmortizedCost	381858000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	235000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	317000	USD
CY2018Q4	gh	Cash Cash Equivalentsand Debt Securities Fair Value CashCashEquivalentsandDebtSecuritiesFairValue	381776000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	15786000	USD
CY2017Q2	us-gaap	Debt Instrument Repurchase Amount DebtInstrumentRepurchaseAmount	20700000	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-5100000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	4400000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	4600000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1800000	USD
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y4M24D
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0777
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	42178000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	4099000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	5273000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	5358000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	7582000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	7534000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	7684000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	8276000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	20816000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	51892000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	11496000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	40396000	USD
CY2019Q4	gh	Lessee Operating Lease Lease Not Yet Commenced Lease Liability LesseeOperatingLeaseLeaseNotYetCommencedLeaseLiability	13700000	USD
CY2019Q4	gh	Lessee Operating Lease Lease Not Yet Commenced Undiscounted Excess Amount LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedExcessAmount	3400000	USD
CY2019Q4	gh	Lessee Operating Lease Lease Not Yet Commenced Sublease Income LesseeOperatingLeaseLeaseNotYetCommencedSubleaseIncome	100000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	5557000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	6105000	USD
CY2019	gh	Numberof Parties With Patent License Agreement NumberofPartiesWithPatentLicenseAgreement	4	party
CY2019	us-gaap	Royalty Expense RoyaltyExpense	4400000	USD
CY2018	us-gaap	Royalty Expense RoyaltyExpense	1400000	USD
CY2017	us-gaap	Royalty Expense RoyaltyExpense	1100000	USD
CY2019	gh	Royalty Expense Percentageof Precision Oncology Testing Revenue RoyaltyExpensePercentageofPrecisionOncologyTestingRevenue	0.02
CY2018	gh	Royalty Expense Percentageof Precision Oncology Testing Revenue RoyaltyExpensePercentageofPrecisionOncologyTestingRevenue	0.02
CY2017	gh	Royalty Expense Percentageof Precision Oncology Testing Revenue RoyaltyExpensePercentageofPrecisionOncologyTestingRevenue	0.02
CY2018Q4	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	249500000	USD
CY2018Q3	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.7378
CY2018Q3	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.7378
CY2017Q2	gh	Convertible Preferred Stock Conversion Price ConvertiblePreferredStockConversionPrice	10.1338
CY2017Q2	gh	Convertible Preferred Stock Conversion Price ConvertiblePreferredStockConversionPrice	9.8329
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1100000	USD
CY2019	us-gaap	Preferred Stock Dividends Shares PreferredStockDividendsShares	253361	shares
CY2019Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	1402000	USD
CY2019Q4	us-gaap	Contractual Obligation Due In Second Year ContractualObligationDueInSecondYear	1402000	USD
CY2019Q4	us-gaap	Contractual Obligation Due In Third Year ContractualObligationDueInThirdYear	1682000	USD
CY2019Q4	us-gaap	Contractual Obligation Due In Fourth Year ContractualObligationDueInFourthYear	1682000	USD
CY2019Q4	gh	Contractual Obligation Due In Fifth Year And After Fifth Year ContractualObligationDueInFifthYearAndAfterFifthYear	5607000	USD
CY2019Q4	us-gaap	Contractual Obligation ContractualObligation	11775000	USD
CY2019Q4	gh	Contractual Obligation Future Minimum Payments Interest Amount Includedin Payments ContractualObligationFutureMinimumPaymentsInterestAmountIncludedinPayments	4895000	USD
CY2019Q4	gh	Contractual Obligation Future Minimum Payments Present Valueof Net Minimum Payments ContractualObligationFutureMinimumPaymentsPresentValueofNetMinimumPayments	6880000	USD
CY2019Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	7911031	shares
CY2018Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	12067162	shares
CY2018Q3	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.7378
CY2019Q2	us-gaap	Shares Issued Price Per Share SharesIssuedPricePerShare	71.00
CY2018Q4	gh	Stock Issued During Period Shares Exerciseof Warrants StockIssuedDuringPeriodSharesExerciseofWarrants	6548	shares
CY2019Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	0	shares
CY2012Q4	us-gaap	Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights	495775	shares
CY2012Q4	us-gaap	Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1	0.14
CY2017Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	313741	shares
CY2018Q4	gh	Sharebased Compensation Arrangementby Sharebased Payment Award Options Availablefor Grant Forfeituresin Period Gross SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAvailableforGrantForfeituresinPeriodGross	508847	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7391052	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	3.63
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y7M6D
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	3325000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized	3658602	shares
CY2018	gh	Sharebased Compensation Arrangementby Sharebased Payment Award Options Availablefor Grant Forfeituresin Period Gross SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAvailableforGrantForfeituresinPeriodGross	508847	shares
CY2018	gh	Sharebased Compensation Arrangementby Sharebased Payment Award Options Availablefor Grant Grantsin Period Gross SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAvailableforGrantGrantsinPeriodGross	2088639	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	2088639	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	7.19
CY2018	gh	Sharebased Compensation Arrangementby Sharebased Payment Award Options Availablefor Grant Exercisedin Period Gross SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAvailableforGrantExercisedinPeriodGross	0	shares
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1007387	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.09
CY2018	gh	Sharebased Compensation Arrangementby Sharebased Payment Award Options Availablefor Grant Cancellationsin Period Gross SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAvailableforGrantCancellationsinPeriodGross	795371	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	883899	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	4.57
CY2018	gh	Sharebased Compensation Arrangementby Sharebased Payment Award Shares Available For Grant Repurchaseof Early Exercised Shares SharebasedCompensationArrangementbySharebasedPaymentAwardSharesAvailableForGrantRepurchaseofEarlyExercisedShares	1230	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	3556507	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7588405	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	4.58
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y3M18D
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	250495000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized	0	shares
CY2019	gh	Sharebased Compensation Arrangementby Sharebased Payment Award Options Availablefor Grant Forfeituresin Period Gross SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAvailableforGrantForfeituresinPeriodGross	0	shares
CY2019	gh	Sharebased Compensation Arrangementby Sharebased Payment Award Options Availablefor Grant Grantsin Period Gross SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAvailableforGrantGrantsinPeriodGross	324579	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	324579	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	88.18
CY2019	gh	Sharebased Compensation Arrangementby Sharebased Payment Award Options Availablefor Grant Exercisedin Period Gross SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAvailableforGrantExercisedinPeriodGross	0	shares
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	2999419	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.87
CY2019	gh	Sharebased Compensation Arrangementby Sharebased Payment Award Options Availablefor Grant Cancellationsin Period Gross SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAvailableforGrantCancellationsinPeriodGross	12636	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	418676	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	6.64
CY2019	gh	Sharebased Compensation Arrangementby Sharebased Payment Award Shares Available For Grant Repurchaseof Early Exercised Shares SharebasedCompensationArrangementbySharebasedPaymentAwardSharesAvailableForGrantRepurchaseofEarlyExercisedShares	0	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	3244564	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4494889	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	10.90
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y8M12D
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	306392000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	1908216	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	5.27
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P7Y2M12D
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	139337000	USD
CY2019Q4	gh	Reversal Of Stock Based Compensation Expense ReversalOfStockBasedCompensationExpense	1000000.0	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-75651000	USD
CY2019	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	7800000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	16954000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6851000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3670000	USD
CY2019	gh	Common Stock Subjectto Repurchaseor Cancellation CommonStockSubjecttoRepurchaseorCancellation	23981	shares
CY2018Q4	gh	Common Stock Subjectto Repurchaseor Cancellation CommonStockSubjecttoRepurchaseorCancellation	44268	shares
CY2018Q4	gh	Weighted Average Numberof Shares Common Stock Subjectto Repurchaseor Cancellation Per Share WeightedAverageNumberofSharesCommonStockSubjecttoRepurchaseorCancellationPerShare	4.66
CY2019Q4	us-gaap	Deferred Compensation Sharebased Arrangements Liability Classified Noncurrent DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent	100000	USD
CY2018Q4	us-gaap	Deferred Compensation Sharebased Arrangements Liability Classified Noncurrent DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent	200000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	-67851000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-84263000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	-83221000	USD
CY2018	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	800000	USD
CY2017	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	0	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-85063000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-83221000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-75651000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-85063000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-88995000	USD
CY2019	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.84
CY2018	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-2.80
CY2017	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-7.07
CY2019	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	90597000	shares
CY2018	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	30403000	shares
CY2017	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	12582000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6311000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	51707000	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	50415000	shares
CY2019	gh	Income Lossfrom Continuing Operationsbefore Equity Method Investments Federal Income Taxes Noncontrolling Interest IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsFederalIncomeTaxesNoncontrollingInterest	-69930000	USD
CY2018	gh	Income Lossfrom Continuing Operationsbefore Equity Method Investments Federal Income Taxes Noncontrolling Interest IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsFederalIncomeTaxesNoncontrollingInterest	-84313000	USD
CY2017	gh	Income Lossfrom Continuing Operationsbefore Equity Method Investments Federal Income Taxes Noncontrolling Interest IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsFederalIncomeTaxesNoncontrollingInterest	-83214000	USD
CY2019	gh	Income Lossfrom Continuing Operationsbefore Equity Method Investments Foreign Income Taxes Noncontrolling Interest IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsForeignIncomeTaxesNoncontrollingInterest	207000	USD
CY2018	gh	Income Lossfrom Continuing Operationsbefore Equity Method Investments Foreign Income Taxes Noncontrolling Interest IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsForeignIncomeTaxesNoncontrollingInterest	88000	USD
CY2017	gh	Income Lossfrom Continuing Operationsbefore Equity Method Investments Foreign Income Taxes Noncontrolling Interest IncomeLossfromContinuingOperationsbeforeEquityMethodInvestmentsForeignIncomeTaxesNoncontrollingInterest	0	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-69723000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-84225000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-83214000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	14165000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	17107000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	34000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	38000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	5753000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	3143000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	7000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	269000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	38000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	7000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1652000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-311000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	90534000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	36783000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	0	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	266000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-178000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2141000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1872000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	4936000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	5127000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	11031000	USD
CY2019Q4	gh	Deferred Tax Liabilities Right Of Use Assets DeferredTaxLiabilitiesRightOfUseAssets	7363000	USD
CY2018Q4	gh	Deferred Tax Liabilities Right Of Use Assets DeferredTaxLiabilitiesRightOfUseAssets	0	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	346000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	125245000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	66196000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	177000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1289000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	0	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	887000	USD
CY2018Q4	gh	Deferred Tax Liabilities Section481a Adjustment DeferredTaxLiabilitiesSection481aAdjustment	0	USD
CY2019Q4	gh	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	10195000	USD
CY2018Q4	gh	Deferred Tax Assets Lease Liabilities DeferredTaxAssetsLeaseLiabilities	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	160000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	210000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	134164000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	66269000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	119000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	73000	USD
CY2019Q4	gh	Deferred Tax Liabilities Section481a Adjustment DeferredTaxLiabilitiesSection481aAdjustment	914000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-14642000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-17690000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-28293000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	329000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	371000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-33042000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	497000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	3819000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	5266000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	1726000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	714000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	59049000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	22516000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	5415000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	80000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-8253000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-4231000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1868000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	828000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	21346000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-605000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	343000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-69000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1872000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	38000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7000	USD
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-1600000	USD
CY2019	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	400000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	59000000.0	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	22500000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	6500000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3400000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3427000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1712000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	884000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	3116000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1635000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	6543000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3427000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1712000	USD
CY2019	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	1
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	300000	USD
CY2018	us-gaap	Revenues Revenues	90639000	USD
CY2017	us-gaap	Revenues Revenues	49842000	USD
CY2019	us-gaap	Revenues Revenues	214375000	USD

Files In Submission

Name	View Source	Status
0001628280-20-002613-index-headers.html	Edgar Link	pending
0001628280-20-002613-index.html	Edgar Link	pending
0001628280-20-002613.txt	Edgar Link	pending
0001628280-20-002613-xbrl.zip	Edgar Link	pending
a10-kexhibit1021lanman.htm	Edgar Link	pending
descriptionofregistran.htm	Edgar Link	pending
exhibit211.htm	Edgar Link	pending
exhibit231.htm	Edgar Link	pending
exhibit311.htm	Edgar Link	pending
exhibit312.htm	Edgar Link	pending
exhibit321.htm	Edgar Link	pending
exhibit322.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
gh-12312019x10k.htm	Edgar Link	pending
gh-12312019x10k_htm.xml	Edgar Link	completed
gh-20191231.xsd	Edgar Link	pending
gh-20191231_cal.xml	Edgar Link	unprocessable
gh-20191231_def.xml	Edgar Link	unprocessable
gh-20191231_lab.xml	Edgar Link	unprocessable
gh-20191231_pre.xml	Edgar Link	unprocessable
gh.jpg	Edgar Link	pending
graphic3.jpg	Edgar Link	pending
guardantgraphic201910k.jpg	Edgar Link	pending
marketopportunity.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R9999.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
slide1a01.jpg	Edgar Link	pending
slide1a03.jpg	Edgar Link	pending
stockchart.jpg	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$GH
Guardant Health, Inc. Stock $gh

2020 Q1 Form 10-K Financial Statement

#000162828020002613 Filed on March 02, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GH Guardant Health, Inc. Stock $gh

2020 Q1 Form 10-K Financial Statement

#000162828020002613 Filed on March 02, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GH
Guardant Health, Inc. Stock $gh