$WK
WORKIVA INC Stock $wk

$wk Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000144530519000032 Filed on February 20, 2019

Income Statement

Concept	2018 Q4	2018 Q1	2018
Revenue	$64.44M	$59.91M	$244.3M
YoY Change	18.22%	15.42%	17.55%
Cost Of Revenue	$17.39M	$16.51M	$65.86M
YoY Change	8.11%	16.13%	9.32%
Gross Profit	$47.04M	$43.40M	$178.5M
YoY Change	22.45%	15.15%	20.9%
Gross Profit Margin	73.01%	72.44%	73.05%
Selling, General & Admin	$34.06M	$32.77M	$146.7M
YoY Change	-0.47%	16.49%	18.52%
% of Gross Profit	72.4%	75.52%	82.18%
Research & Development	$20.77M	$20.13M	$81.60M
YoY Change	10.08%	29.55%	19.7%
% of Gross Profit	44.16%	46.38%	45.72%
Depreciation & Amortization	$900.0K	$872.0K	$3.781M
YoY Change	-4.26%	-2.13%	6.63%
% of Gross Profit	1.91%	2.01%	2.12%
Operating Expenses	$54.83M	$52.90M	$228.3M
YoY Change	3.28%	21.14%	18.94%
Operating Profit	-$7.790M	-$9.506M	-$49.79M
YoY Change	-46.91%	58.86%	12.38%
Interest Expense	$480.0K	$450.0K	$1.827M
YoY Change	6.43%	-1.1%	-0.98%
% of Operating Profit
Other Income/Expense, Net	$753.0K	$343.0K	$1.791M
YoY Change	-5.52%	-43.95%	0.45%
Pretax Income	-$7.517M	-$9.613M	-$49.82M
YoY Change	-47.53%	64.97%	12.3%
Income Tax	$204.0K	$5.000K	$247.0K
% Of Pretax Income
Net Earnings	-$7.721M	-$9.618M	-$50.07M
YoY Change	-46.09%	64.8%	12.71%
Net Earnings / Revenue	-11.98%	-16.06%	-20.49%
Basic Earnings Per Share
Diluted Earnings Per Share	-$173.0K	-$223.8K	-$1.149M
COMMON SHARES
Basic Shares Outstanding
Diluted Shares Outstanding

Balance Sheet

Concept	2018 Q4	2018 Q1	2018
SHORT-TERM ASSETS
Cash & Short-Term Investments	$98.35M	$81.06M	$98.30M
YoY Change	28.23%	25.28%	28.16%
Cash & Equivalents	$77.58M	$65.26M	$77.60M
Short-Term Investments	$20.76M	$15.80M	$20.80M
Other Short-Term Assets	$12.60M	$10.00M	$12.60M
YoY Change	43.18%	-4.76%	43.18%
Inventory
Prepaid Expenses	$4.417M	$6.216M
Receivables	$65.11M	$45.70M	$65.10M
Other Receivables	$1.181M	$949.0K	$1.200M
Total Short-Term Assets	$177.2M	$131.3M	$177.2M
YoY Change	53.72%	37.55%	53.69%
LONG-TERM ASSETS
Property, Plant & Equipment	$41.47M	$39.80M	$41.50M
YoY Change	2.53%	-5.12%	2.72%
Goodwill
YoY Change
Intangibles	$1.266M	$1.158M
YoY Change	13.24%	13.42%
Long-Term Investments
YoY Change
Other Assets	$577.0K	$920.0K	$11.10M
YoY Change	-32.98%	-35.12%	1133.33%
Total Long-Term Assets	$53.88M	$47.37M	$53.90M
YoY Change	27.01%	6.71%	27.12%
TOTAL ASSETS
Total Short-Term Assets	$177.2M	$131.3M	$177.2M
Total Long-Term Assets	$53.88M	$47.37M	$53.90M
Total Assets	$231.1M	$178.6M	$231.1M
YoY Change	46.54%	27.76%	46.54%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$5.461M	$5.913M	$5.500M
YoY Change	78.46%	216.71%	77.42%
Accrued Expenses	$36.35M	$27.39M	$27.90M
YoY Change	77.95%	83.82%	46.07%
Deferred Revenue	$148.5M	$111.3M
YoY Change	41.9%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.200M	$1.200M	$1.200M
YoY Change		5900.0%	0.0%
Total Short-Term Liabilities	$191.6M	$144.5M	$191.6M
YoY Change	48.12%	47.54%	48.18%
LONG-TERM LIABILITIES
Long-Term Debt	$17.20M	$18.10M	$17.20M
YoY Change		34050.94%	-6.52%
Other Long-Term Liabilities	$6.891M	$3.966M	$32.10M
YoY Change	65.09%	-3.08%	19.33%
Total Long-Term Liabilities	$6.891M	$3.966M	$49.30M
YoY Change	65.09%	-4.32%	8.83%
TOTAL LIABILITIES
Total Short-Term Liabilities	$191.6M	$144.5M	$191.6M
Total Long-Term Liabilities	$6.891M	$3.966M	$49.30M
Total Liabilities	$240.9M	$187.9M	$240.9M
YoY Change	37.91%	29.73%	37.97%
SHAREHOLDERS EQUITY
Retained Earnings	-$307.0M	-$257.0M
YoY Change	15.71%	13.32%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$9.740M	-$9.218M	-$9.700M
YoY Change
Total Liabilities & Shareholders Equity	$231.1M	$178.6M	$231.1M
YoY Change	46.54%	27.76%	46.54%

Cashflow Statement

Concept	2018 Q4	2018 Q1	2018
OPERATING ACTIVITIES
Net Income	-$7.721M	-$9.618M	-$50.07M
YoY Change	-46.09%	64.8%	12.71%
Depreciation, Depletion And Amortization	$900.0K	$872.0K	$3.781M
YoY Change	-4.26%	-2.13%	6.63%
Cash From Operating Activities	-$420.0K	$1.783M	$6.400M
YoY Change	-93.26%	-30.89%	15.94%
INVESTING ACTIVITIES
Capital Expenditures	-$450.0K	$9.000K	$1.122M
YoY Change	309.09%	-92.56%	-5.56%
Acquisitions
YoY Change
Other Investing Activities	$4.460M	$500.0K	-$4.260M
YoY Change	-418.57%	-145.87%	-16.31%
Cash From Investing Activities	$4.010M	$427.0K	-$5.632M
YoY Change	-365.56%	-134.38%	-12.99%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	2.450M	$2.805M	$16.88M
YoY Change	-54.21%	-756.91%	71.82%
NET CHANGE
Cash From Operating Activities	-420.0K	$1.783M	$6.400M
Cash From Investing Activities	4.010M	$427.0K	-$5.632M
Cash From Financing Activities	2.450M	$2.805M	$16.88M
Net Change In Cash	6.040M	$4.923M	$17.25M
YoY Change	-352.72%	440.4%	90.58%
FREE CASH FLOW
Cash From Operating Activities	-$420.0K	$1.783M	$6.400M
Capital Expenditures	-$450.0K	$9.000K	$1.122M
Free Cash Flow	$30.00K	$1.774M	$5.278M
YoY Change	-100.49%	-27.86%	21.84%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018	dei	Document Period End Date DocumentPeriodEndDate	2018-12-31
CY2018	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018	dei	Amendment Flag AmendmentFlag	false
CY2018	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2018	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2018	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2018	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2018	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2018	dei	Entity Small Business EntitySmallBusiness	false
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Shell Company EntityShellCompany	false
CY2018	dei	Entity Central Index Key EntityCentralIndexKey	0001445305
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	956000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	388000	USD
CY2018Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2017Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2018Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	9000	USD
CY2017	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	2000	USD
CY2018	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	90337000	USD
CY2017	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	84161000	USD
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CY2018	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	56333000	USD
CY2017	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	39594000	USD
CY2016	us-gaap	Other Comprehensive Income Foreign Currency Translation Adjustment Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxPortionAttributableToParent	13000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-2000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	19000	USD
CY2018	dei	Document Type DocumentType	10-K
CY2018	dei	Entity Registrant Name EntityRegistrantName	WORKIVA INC
CY2018Q2	dei	Entity Public Float EntityPublicFloat	782100000	USD
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CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24000	USD
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CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	50000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-50045000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-44645000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-43927000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	25719000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	14247000	USD
CY2016	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1597000	USD
CY2016	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	761000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	-43977000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	50000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	-3125000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	19476000	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	12485000	USD
CY2017	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1125000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-44426000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-219000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	-16934000	USD
CY2018Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	8381000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	30841000	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	16662000	USD
CY2018	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	3216000	USD
CY2018	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1861000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-50071000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	26000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	-9740000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-50071000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-44426000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	-43977000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3781000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3546000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3820000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	30841000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	19476000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	14247000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	550000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-517000	USD
CY2016	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	185000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	USD
CY2017	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	USD
CY2016	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	6000	USD
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	141000	USD
CY2017	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-101000	USD
CY2016	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-147000	USD
CY2018	wk	Gain Loss On Government Grants Reimbursement GainLossOnGovernmentGrantsReimbursement	0	USD
CY2017	wk	Gain Loss On Government Grants Reimbursement GainLossOnGovernmentGrantsReimbursement	1578000	USD
CY2016	wk	Gain Loss On Government Grants Reimbursement GainLossOnGovernmentGrantsReimbursement	1141000	USD
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-9000	USD
CY2017	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	0	USD
CY2016	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-32000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	20216000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	5546000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	7101000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	11155000	USD
CY2017	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	498000	USD
CY2016	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	497000	USD
CY2018	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	205000	USD
CY2017	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	-577000	USD
CY2016	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	732000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2020000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2952000	USD
CY2017	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-618000	USD
CY2016	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	654000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1699000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5513000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-276000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2206000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-3930000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	40144000	USD
CY2017	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	29367000	USD
CY2016	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	34211000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	8886000	USD
CY2017	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-758000	USD
CY2016	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	604000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6400000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	5520000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-10369000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1122000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	20400000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1188000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1901000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	24659000	USD
CY2017	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	14369000	USD
CY2016	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1301000	USD
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	9281000	USD
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	0	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2016	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	7197000	USD
CY2018	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	251000	USD
CY2017	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	197000	USD
CY2016	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	190000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5632000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-6473000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	3805000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	16662000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	12485000	USD
CY2016	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1597000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1861000	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1125000	USD
CY2016	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	761000	USD
CY2018	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	3216000	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	0	USD
CY2016	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	0	USD
CY2018	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	0	USD
CY2017	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	73000	USD
CY2016	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	18000	USD
CY2018	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	1163000	USD
CY2017	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	1435000	USD
CY2016	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	1863000	USD
CY2018	wk	Proceeds From Government Grants Training Reimbursement ProceedsFromGovernmentGrantsTrainingReimbursement	22000	USD
CY2017	wk	Proceeds From Government Grants Training Reimbursement ProceedsFromGovernmentGrantsTrainingReimbursement	51000	USD
CY2016	wk	Proceeds From Government Grants Training Reimbursement ProceedsFromGovernmentGrantsTrainingReimbursement	183000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	81000	USD
CY2016	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	33000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	16876000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	9822000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-895000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-393000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	183000	USD
CY2016	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-10000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	17251000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	9052000	USD
CY2016	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-7469000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	60333000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	51281000	USD
CY2015Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	58750000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	77584000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	60333000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	51281000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	1734000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	1627000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	1835000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	67000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	42000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	47000	USD
CY2018	wk	Allowance For Tenant Improvements AllowanceForTenantImprovements	2192000	USD
CY2017	wk	Allowance For Tenant Improvements AllowanceForTenantImprovements	0	USD
CY2016	wk	Allowance For Tenant Improvements AllowanceForTenantImprovements	481000	USD
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1287000	USD
CY2017	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	0	USD
CY2016	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	0	USD
CY2017	us-gaap	Capital Leases Income Statement Amortization Expense CapitalLeasesIncomeStatementAmortizationExpense	1600000	USD
CY2018	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Additionally, certain prior year amounts have been reclassified for consistency with the current year presentation. The reclassification of the prior period amounts were not material to the previously reported consolidated financial statements.
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	289000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-372000	USD
CY2016	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	67000	USD
CY2018	us-gaap	Use Of Estimates UseOfEstimates	The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States requires us to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. We base our estimates on historical experience and various other assumptions believed to be reasonable. These estimates include, but are not limited to, the allowance for doubtful accounts, the determination of the relative selling prices of our services, the measurement of material rights, health insurance claims incurred but not yet reported, valuation of available-for-sale marketable securities, useful lives of deferred contract costs, intangible assets and property and equipment, income taxes and certain assumptions used in the valuation of equity awards. While these estimates are based on our best knowledge of current events and actions that may affect us in the future, actual results may differ materially from these estimates.
CY2016	us-gaap	Capital Leases Income Statement Amortization Expense CapitalLeasesIncomeStatementAmortizationExpense	2100000	USD
CY2018	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	Financial instruments that potentially subject us to concentrations of credit risk consist principally of cash and cash equivalents and accounts receivable. We place our cash and cash equivalents with high credit-quality financial institutions. Such deposits may be in excess of federally insured limits. To date, we have not experienced any losses on our cash and cash equivalents. We perform periodic evaluations of the relative credit standing of the financial institutions.Our accounts receivable are derived primarily from customers located in North America. We perform ongoing credit evaluations of our customers’ financial condition and require no collateral from our customers. We maintain an allowance for doubtful accounts receivable based upon the expected collectability of accounts receivable balances.
CY2018	wk	Sales Commissions Amortization Period SalesCommissionsAmortizationPeriod	P3Y
CY2018	us-gaap	Depreciation Depreciation	3400000	USD
CY2017	us-gaap	Depreciation Depreciation	3400000	USD
CY2016	us-gaap	Depreciation Depreciation	3700000	USD
CY2018	us-gaap	Capital Leases Income Statement Amortization Expense CapitalLeasesIncomeStatementAmortizationExpense	1300000	USD
CY2018	us-gaap	Revenue Recognition Sales Of Services RevenueRecognitionSalesOfServices	<div style="text-indent:36pt;text-align:justify;margin-top:6pt;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">We generate revenue through the sale of subscriptions to our cloud-based software and the delivery of professional services. We recognize revenue when control of these services is transferred to our customers in an amount that reflects the consideration we expect to be entitled to in exchange for those services.</span></div><div style="text-indent:36pt;text-align:justify;margin-top:6pt;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">We determine revenue recognition through the following steps:</span></div><div style="text-indent:-18pt;padding-left:54pt;text-align:justify;margin-top:6pt;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">•</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;padding-left:14.15pt;">Identification of the contract, or contracts, with a customer</span></div><div style="text-indent:-18pt;padding-left:54pt;text-align:justify;margin-top:6pt;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">•</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;padding-left:14.15pt;">Identification of the per</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">formance obligations in the contract</span></div><div style="text-indent:-18pt;padding-left:54pt;text-align:justify;margin-top:6pt;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">•</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;padding-left:14.15pt;">Determin</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">ation of the transaction price</span></div><div style="text-indent:-18pt;padding-left:54pt;text-align:justify;margin-top:6pt;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">•</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;padding-left:14.15pt;">Allocation of the transaction price to the perf</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">ormance obligations in the contract</span></div><div style="text-indent:-18pt;padding-left:54pt;text-align:justify;margin-top:6pt;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">•</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;padding-left:14.15pt;">Recog</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">nition of revenue when, or as, we satisfy a performance obligation</span></div><div style="text-indent:36pt;text-align:justify;margin-top:6pt;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#222222;font-family:Times New Roman;font-size:11pt;line-height:120%;">We report revenue net of sales and other taxes collected from customers to be remitted to government authorities.</span></div><div style="text-indent:36pt;margin-top:6pt;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;font-style:italic;line-height:120%;">Subscription and Support Revenue </span></div><div style="text-indent:36pt;text-align:justify;margin-top:6pt;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">We recognize subscription and support revenue on a ratable basis over the contract term beginning on the date that our service is made available to the customer. Our subscription contracts are generally <span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOmFjNWNkOTcyYzZhZjQ1ZTFhZDU1NWRmZWY1YzExZjM1L3NlYzphYzVjZDk3MmM2YWY0NWUxYWQ1NTVkZmVmNWMxMWYzNV82MzMvZnJhZzo4NTdkYTM3M2QwNTU0OGQ0YWZmYmUwYzY1ZmU3MjI5MS90ZXh0cmVnaW9uOjg1N2RhMzczZDA1NTQ4ZDRhZmZiZTBjNjVmZTcyMjkxXzIxOTkwMjMzNjIyNDA_bf10b366-dbf0-40f5-bd1a-9b13b2a0bbd5">three</span> to 36 months in duration, are billed in advance and are non-cancelable. We consider the access to Wdesk and related support services in a customer contract to be a series of distinct services which comprise a single performance obligation because they are substantially the same and have the same pattern of transfer.</span></div><div style="text-indent:36pt;margin-top:6pt;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;font-style:italic;line-height:120%;">Professional Services Revenue and Customer Options</span></div><div style="text-indent:36pt;text-align:justify;margin-top:6pt;margin-bottom:6pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:Times New Roman;font-size:11pt;line-height:120%;">Professional services revenues primarily consist of fees for document set up, XBRL tagging, and consulting with our customers on business processes and best practices for using Wdesk. We have determined that an agreement to purchase these professional services constitutes an option to purchase services in accordance with ASC 606 rather than an agreement that creates enforceable rights and</span></div> obligations because of the customer's contractual right to cancel services that have not yet been used. In the limited case of agreements where we determined that the option provides the customer with a material right, we allocate a portion of the transaction price to the material right. Professional service agreements that do not contain a material right are accounted for when the customer exercises its option to purchase additional services. Revenue is recognized for document set ups when the service is complete and control has transferred to the customer. Revenues from XBRL tagging and consulting services are recognized as the services are performed.
CY2018	us-gaap	Revenue Recognition Multiple Element Arrangements RevenueRecognitionMultipleElementArrangements	Some of our contracts with customers contain multiple performance obligation in the event that we determine a material right exists. For these contracts, we account for the individual performance obligations separately when they are both capable of being distinct, whereby the customer can benefit from the service either on its own or together with other resources that are readily available from third parties or from us, and are distinct in the context of the contract, whereby the transfer of the services is separately identifiable from other promises in the contract. If these criteria are not met, the promised services are accounted for as a combined performance obligation. The transaction price is allocated to the separate performance obligations on a relative standalone selling price basis. We determine the standalone selling prices based on our overall pricing objectives, taking into consideration market conditions and entity-specific factors, including the size of our arrangements, length of term, customer demographics and the numbers and types of users within our arrangements.
CY2018	us-gaap	Advertising Cost Policy Expensed Advertising Cost AdvertisingCostPolicyExpensedAdvertisingCost	Advertising costs are charged to sales and marketing expense as incurred.
CY2018	us-gaap	Advertising Expense AdvertisingExpense	2900000	USD
CY2017	us-gaap	Advertising Expense AdvertisingExpense	2700000	USD
CY2016	us-gaap	Advertising Expense AdvertisingExpense	2700000	USD
CY2017	wk	Capitalized Cost Amortization Period CapitalizedCostAmortizationPeriod	P12M
CY2018Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	45700000	USD
CY2018Q1	us-gaap	Capitalized Contract Cost Net Current CapitalizedContractCostNetCurrent	3026000	USD
CY2018Q1	us-gaap	Capitalized Contract Cost Net Noncurrent CapitalizedContractCostNetNoncurrent	4655000	USD
CY2018Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	27385000	USD
CY2018Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	111309000	USD
CY2018Q1	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	22952000	USD
CY2018Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-256956000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	65107000	USD
CY2018Q4	us-gaap	Capitalized Contract Cost Net Current CapitalizedContractCostNetCurrent	8178000	USD
CY2018Q4	us-gaap	Capitalized Contract Cost Net Noncurrent CapitalizedContractCostNetNoncurrent	10569000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	36353000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	148545000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	25171000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-307027000	USD
CY2018	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	90337000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-50071000	USD
CY2018	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-1.15
CY2018Q4	wk	Cash Cash Equivalents And Availableforsale Debt Securities Amortized Cost CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAmortizedCost	72900000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	0	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	68000	USD
CY2018Q4	wk	Cash Cash Equivalents And Availableforsale Debt Securities CashCashEquivalentsAndAvailableforsaleDebtSecurities	72832000	USD
CY2017Q4	wk	Cash Cash Equivalents And Availableforsale Debt Securities Amortized Cost CashCashEquivalentsAndAvailableforsaleDebtSecuritiesAmortizedCost	65885000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	0	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	69000	USD
CY2017Q4	wk	Cash Cash Equivalents And Availableforsale Debt Securities CashCashEquivalentsAndAvailableforsaleDebtSecurities	65816000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	3481000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	8340000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	63000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	59839000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	56079000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	18371000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	15635000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	41468000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	40444000	USD
CY2018Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	36608000	USD
CY2017Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	37274000	USD
CY2018Q4	us-gaap	Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation	6237000	USD
CY2017Q4	us-gaap	Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation	5891000	USD
CY2018Q4	us-gaap	Capital Leases Balance Sheet Assets By Major Class Net CapitalLeasesBalanceSheetAssetsByMajorClassNet	30371000	USD
CY2017Q4	us-gaap	Capital Leases Balance Sheet Assets By Major Class Net CapitalLeasesBalanceSheetAssetsByMajorClassNet	31383000	USD
CY2018Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	6906000	USD
CY2017Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	6087000	USD
CY2018Q4	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	7265000	USD
CY2017Q4	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	3297000	USD
CY2018Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	5643000	USD
CY2017Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	4419000	USD
CY2018Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	1100000	USD
CY2017Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	1090000	USD
CY2018Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	2156000	USD
CY2017Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	1419000	USD
CY2018Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	7395000	USD
CY2017Q4	us-gaap	Customer Deposits Current CustomerDepositsCurrent	0	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	5888000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-9000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	4117000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	36353000	USD
CY2017Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	20429000	USD
CY2018	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	1278000	USD
CY2017	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	586000	USD
CY2016	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	286000	USD
CY2018	wk	Gain Loss On Government Grants Reimbursement GainLossOnGovernmentGrantsReimbursement	0	USD
CY2017	wk	Gain Loss On Government Grants Reimbursement GainLossOnGovernmentGrantsReimbursement	1578000	USD
CY2016	wk	Gain Loss On Government Grants Reimbursement GainLossOnGovernmentGrantsReimbursement	1141000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	289000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-372000	USD
CY2016	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	67000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	224000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	6000	USD
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1791000	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1783000	USD
CY2016	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1500000	USD
CY2018Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	18700000	USD
CY2018	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	10100000	USD
CY2018	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	5600000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	4700000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	3900000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	4755000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	3723000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	3640000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	3363000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	3029000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	10693000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	29203000	USD
CY2018Q4	wk	Common Stock Number Of Classes CommonStockNumberOfClasses	2	class
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	30841000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	19476000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14247000	USD
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8145777	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.33
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	65913000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	264864	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	17.22
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1480738	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	11.25
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	6400175	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.65
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y1M6D
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	142340000	USD
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	4905844	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	12.88
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y7M6D
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	112884000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	27500000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	9800000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3900000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.79
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.79
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	12400000	USD
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	10200000	USD
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	9300000	USD
CY2018Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	8300000	USD
CY2018	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	50000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-219000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	26000	USD
CY2018	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	244344000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	244344000	USD
CY2018	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	103900000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	173700000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	148500000	USD
CY2018Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-50268000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-44246000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-43952000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	444000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-119000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-1000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-49824000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-44365000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-43953000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	48000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	42000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	12000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	203000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	19000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	44000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	251000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	61000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	56000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-8000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-32000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	4000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-32000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	247000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	61000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24000	USD
CY2018	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-8000	USD
CY2017	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	0	USD
CY2016	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-32000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-10463000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-15528000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-15384000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-2587000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1802000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1377000	USD
CY2018	wk	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Change In Tax Rate Deferred Tax Assets Net Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxAssetsNetAmount	0	USD
CY2017	wk	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Change In Tax Rate Deferred Tax Assets Net Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxAssetsNetAmount	22880000	USD
CY2016	wk	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Change In Tax Rate Deferred Tax Assets Net Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxAssetsNetAmount	0	USD
CY2018	wk	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Change In Tax Rate Permanent Items Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017ChangeInTaxRatePermanentItemsAmount	0	USD
CY2017	wk	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Change In Tax Rate Permanent Items Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017ChangeInTaxRatePermanentItemsAmount	4134000	USD
CY2016	wk	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Change In Tax Rate Permanent Items Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017ChangeInTaxRatePermanentItemsAmount	0	USD
CY2018	wk	Effective Income Tax Rate Reconciliation Permanent Items Amount EffectiveIncomeTaxRateReconciliationPermanentItemsAmount	2113000	USD
CY2017	wk	Effective Income Tax Rate Reconciliation Permanent Items Amount EffectiveIncomeTaxRateReconciliationPermanentItemsAmount	5141000	USD
CY2016	wk	Effective Income Tax Rate Reconciliation Permanent Items Amount EffectiveIncomeTaxRateReconciliationPermanentItemsAmount	1292000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	3289000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2366000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	1781000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	0	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-3606000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	0	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	14044000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-8586000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	17013000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	429000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-206000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	261000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	247000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	61000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	18000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	15000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	283000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	199000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent	1601000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent	931000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	13925000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	11973000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	5338000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	4762000	USD
CY2018Q4	wk	Deferred Tax Assets Operating Loss Carryforwards And Tax Credit Carryforwards DeferredTaxAssetsOperatingLossCarryforwardsAndTaxCreditCarryforwards	51931000	USD
CY2017Q4	wk	Deferred Tax Assets Operating Loss Carryforwards And Tax Credit Carryforwards DeferredTaxAssetsOperatingLossCarryforwardsAndTaxCreditCarryforwards	41108000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	701000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	167000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	73797000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	59155000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	72683000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	58639000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1114000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	516000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	529000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	440000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	587000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	76000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1116000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	516000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	2000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	0	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	191000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	168000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	168000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	9000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation	23000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsIncreasesResultingFromForeignCurrencyTranslation	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	182000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	191000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	168000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	USD
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	64435000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	60873000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	59130000	USD
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	59906000	USD
CY2017Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	54506000	USD
CY2017Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	52068000	USD
CY2017Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	49391000	USD
CY2017Q1	us-gaap	Gross Profit GrossProfit	37686000	USD
CY2017Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	51904000	USD
CY2018Q4	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	17394000	USD
CY2018Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	15659000	USD
CY2018Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	16296000	USD
CY2018Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	16511000	USD
CY2017Q4	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	16089000	USD
CY2017Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	15652000	USD
CY2017Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	14286000	USD
CY2017Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	14218000	USD
CY2018Q4	us-gaap	Gross Profit GrossProfit	47041000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	45214000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	42834000	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	43395000	USD
CY2017Q4	us-gaap	Gross Profit GrossProfit	38417000	USD
CY2017Q3	us-gaap	Gross Profit GrossProfit	36416000	USD
CY2017Q2	us-gaap	Gross Profit GrossProfit	35105000	USD
CY2018Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	20773000	USD
CY2018Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	19984000	USD
CY2018Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	20718000	USD
CY2018Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	20127000	USD
CY2017Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	18870000	USD
CY2017Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	17527000	USD
CY2017Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	16239000	USD
CY2017Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	15536000	USD
CY2018Q4	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	23011000	USD
CY2018Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	24068000	USD
CY2018Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	22252000	USD
CY2018Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	21006000	USD
CY2017Q4	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	21949000	USD
CY2017Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	23712000	USD
CY2017Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	19787000	USD
CY2017Q1	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	18713000	USD
CY2018Q4	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	11047000	USD
CY2018Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	11864000	USD
CY2018Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	21654000	USD
CY2018Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	11768000	USD
CY2017Q4	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	12271000	USD
CY2017Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	8959000	USD
CY2017Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	8943000	USD
CY2017Q1	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	9421000	USD
CY2018Q4	us-gaap	Operating Expenses OperatingExpenses	54831000	USD
CY2018Q3	us-gaap	Operating Expenses OperatingExpenses	55916000	USD
CY2018Q2	us-gaap	Operating Expenses OperatingExpenses	64624000	USD
CY2018Q1	us-gaap	Operating Expenses OperatingExpenses	52901000	USD
CY2017Q4	us-gaap	Operating Expenses OperatingExpenses	53090000	USD
CY2017Q3	us-gaap	Operating Expenses OperatingExpenses	50198000	USD
CY2017Q2	us-gaap	Operating Expenses OperatingExpenses	44969000	USD
CY2017Q1	us-gaap	Operating Expenses OperatingExpenses	43670000	USD
CY2018Q4	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	753000	USD
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-7790000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-10702000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-21790000	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-9506000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-14673000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-13782000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-9864000	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-5984000	USD
CY2018Q4	us-gaap	Interest Expense InterestExpense	480000	USD
CY2018Q3	us-gaap	Interest Expense InterestExpense	448000	USD
CY2018Q2	us-gaap	Interest Expense InterestExpense	449000	USD
CY2018Q1	us-gaap	Interest Expense InterestExpense	450000	USD
CY2017Q4	us-gaap	Interest Expense InterestExpense	451000	USD
CY2017Q3	us-gaap	Interest Expense InterestExpense	464000	USD
CY2017Q2	us-gaap	Interest Expense InterestExpense	475000	USD
CY2017Q1	us-gaap	Interest Expense InterestExpense	455000	USD
CY2018Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	203000	USD
CY2018Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	492000	USD
CY2018Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	343000	USD
CY2017Q4	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	797000	USD
CY2017Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	198000	USD
CY2017Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	176000	USD
CY2017Q1	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	612000	USD
CY2018Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-7517000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-10947000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-21747000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-9613000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-14327000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-14048000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-10163000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-5827000	USD
CY2018Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	204000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21000	USD
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5000	USD
CY2017Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-6000	USD
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	25000	USD
CY2017Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	33000	USD
CY2017Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	-7721000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	-10964000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	-21768000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	-9618000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	-14321000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	-14073000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	-10196000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	-5836000	USD
CY2018Q4	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.17
CY2018Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.25
CY2018Q2	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.50
CY2018Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.22
CY2017Q4	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.34
CY2017Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.34
CY2017Q2	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.25
CY2017Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.14
CY2018Q4	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	44472672	shares
CY2018Q3	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	43973428	shares
CY2018Q2	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	43234655	shares
CY2018Q1	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	42858756	shares
CY2017Q4	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	42108764	shares
CY2017Q3	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	41815139	shares
CY2017Q2	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	41429691	shares
CY2017Q1	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	41108611	shares

Files In Submission

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$WK
WORKIVA INC Stock $wk

2018 Q4 Form 10-K Financial Statement

#000144530519000032 Filed on February 20, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WK WORKIVA INC Stock $wk

2018 Q4 Form 10-K Financial Statement

#000144530519000032 Filed on February 20, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WK
WORKIVA INC Stock $wk