$ATRC
AtriCure, Inc. Stock $atrc

$atrc Overview Financials Valuation SEC Filings Company Website

2020 Q1 Form 10-K Financial Statement

#000132388520000009 Filed on February 24, 2020

Income Statement

Concept	2020 Q1	2019	2018 Q4
Revenue	$53.23M	$230.8M	$52.89M
YoY Change	-1.37%	14.47%	14.83%
Cost Of Revenue	$14.34M	$60.47M	$14.30M
YoY Change	1.75%	10.94%	6.88%
Gross Profit	$38.88M	$170.3M	$38.59M
YoY Change	-2.48%	15.78%	18.07%
Gross Profit Margin	73.06%	73.8%	72.96%
Selling, General & Admin	$42.75M	$167.1M	$32.74M
YoY Change	15.5%	29.04%	20.81%
% of Gross Profit	109.94%	98.13%	84.84%
Research & Development	$11.59M	$41.23M	$8.460M
YoY Change	41.72%	18.74%	9.59%
% of Gross Profit	29.8%	24.21%	21.92%
Depreciation & Amortization	$1.955M	$7.423M	$2.210M
YoY Change	12.1%	2.47%	-2.64%
% of Gross Profit	5.03%	4.36%	5.73%
Operating Expenses	$54.34M	$203.5M	$41.20M
YoY Change	20.24%	23.87%	18.32%
Operating Profit	-$15.45M	-$33.12M	-$2.607M
YoY Change	190.49%	93.39%	22.11%
Interest Expense	$1.228M	$4.111M	-$660.0K
YoY Change	42.46%	-10.77%	32.0%
% of Operating Profit
Other Income/Expense, Net	-$123.0K	-$160.0K	-$80.00K
YoY Change	14.95%	-12.57%	-900.0%
Pretax Income	-$16.40M	-$35.00M	-$3.350M
YoY Change	194.49%	67.35%	27.38%
Income Tax	$8.000K	$199.0K	$1.240M
% Of Pretax Income
Net Earnings	-$16.41M	-$35.19M	-$3.430M
YoY Change	191.18%	66.5%	32.95%
Net Earnings / Revenue	-30.83%	-15.25%	-6.48%
Basic Earnings Per Share		-$0.94
Diluted Earnings Per Share	-$424.4K	-$0.94	-$93.95K
COMMON SHARES
Basic Shares Outstanding	40.05M	37.59M shares	38.53M
Diluted Shares Outstanding		37.59M shares

Balance Sheet

Concept	2020 Q1	2019	2018 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$68.50M	$81.80M	$124.4M
YoY Change	-31.91%	-34.24%	260.58%
Cash & Equivalents	$21.77M	$28.50M	$32.23M
Short-Term Investments	$46.80M	$53.30M	$92.20M
Other Short-Term Assets	$4.300M	$3.900M	$2.600M
YoY Change	19.44%	50.0%	14.39%
Inventory	$32.06M	$29.40M	$22.48M
Prepaid Expenses
Receivables	$22.13M	$28.00M	$25.20M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$127.0M	$143.2M	$174.7M
YoY Change	-18.06%	-18.03%	112.35%
LONG-TERM ASSETS
Property, Plant & Equipment	$32.32M	$36.70M	$27.08M
YoY Change	19.5%	35.42%	-5.81%
Goodwill	$234.8M		$105.3M
YoY Change	123.05%		0.0%
Intangibles	$129.4M		$49.25M
YoY Change	165.31%		-2.97%
Long-Term Investments	$0.00	$12.70M
YoY Change
Other Assets	$474.0K	$700.0K	$495.0K
YoY Change	-2.47%	40.0%	-26.78%
Total Long-Term Assets	$400.7M	$414.7M	$182.1M
YoY Change	118.56%	127.73%	-1.81%
TOTAL ASSETS
Total Short-Term Assets	$127.0M	$143.2M	$174.7M
Total Long-Term Assets	$400.7M	$414.7M	$182.1M
Total Assets	$527.7M	$557.9M	$356.8M
YoY Change	55.97%	56.36%	33.27%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$17.30M	$14.90M	$9.659M
YoY Change	66.77%	53.61%	-22.3%
Accrued Expenses	$18.16M	$32.60M	$25.84M
YoY Change	6.47%	30.4%	36.64%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$800.0K	$800.0K
YoY Change	33.33%
Total Short-Term Liabilities	$39.07M	$49.90M	$40.22M
YoY Change	10.17%	24.13%	26.06%
LONG-TERM LIABILITIES
Long-Term Debt	$58.32M	$71.40M	$35.57M
YoY Change	78.16%	49.69%	47.6%
Other Long-Term Liabilities	$188.9M	$189.2M	$19.42M
YoY Change	977.78%	875.26%	-48.59%
Total Long-Term Liabilities	$247.2M	$260.6M	$54.99M
YoY Change	391.82%	288.38%	-11.13%
TOTAL LIABILITIES
Total Short-Term Liabilities	$39.07M	$49.90M	$40.22M
Total Long-Term Liabilities	$247.2M	$260.6M	$54.99M
Total Liabilities	$300.4M	$310.5M	$107.4M
YoY Change	203.19%	189.11%	0.79%
SHAREHOLDERS EQUITY
Retained Earnings	-$298.6M		-$247.0M
YoY Change	18.19%		9.36%
Common Stock	$526.3M		$496.6M
YoY Change	6.93%		28.32%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$227.4M	$247.3M	$249.4M
YoY Change
Total Liabilities & Shareholders Equity	$527.7M	$557.9M	$356.8M
YoY Change	55.97%	56.36%	33.27%

Cashflow Statement

Concept	2020 Q1	2019	2018 Q4
OPERATING ACTIVITIES
Net Income	-$16.41M	-$35.19M	-$3.430M
YoY Change	191.18%	66.5%	32.95%
Depreciation, Depletion And Amortization	$1.955M	$7.423M	$2.210M
YoY Change	12.1%	2.47%	-2.64%
Cash From Operating Activities	-$16.09M	-$15.81M	$990.0K
YoY Change	19.71%	279.07%	-35.29%
INVESTING ACTIVITIES
Capital Expenditures	$1.832M	$12.18M	-$1.080M
YoY Change	7.2%	96.14%	-12.9%
Acquisitions
YoY Change
Other Investing Activities	$19.16M	$10.04M	-$69.74M
YoY Change	50.51%	-112.68%	-3106.03%
Cash From Investing Activities	$17.33M	-$2.147M	-$70.82M
YoY Change	57.31%	-97.49%	-6781.13%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$0.00
YoY Change		-100.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-7.834M	$14.37M	84.13M
YoY Change	-12.66%	-85.65%	-40161.9%
NET CHANGE
Cash From Operating Activities	-16.09M	-$15.81M	990.0K
Cash From Investing Activities	17.33M	-$2.147M	-70.82M
Cash From Financing Activities	-7.834M	$14.37M	84.13M
Net Change In Cash	-6.717M	-$3.748M	14.30M
YoY Change	-41.65%	-135.96%	500.84%
FREE CASH FLOW
Cash From Operating Activities	-$16.09M	-$15.81M	$990.0K
Capital Expenditures	$1.832M	$12.18M	-$1.080M
Free Cash Flow	-$17.92M	-$27.99M	$2.070M
YoY Change	18.3%	169.63%	-25.27%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
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CY2018	atrc	Unrecognized Tax Benefits Increases Or Decrease Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesOrDecreaseResultingFromCurrentPeriodTaxPositions
CY2019	atrc	Unrecognized Tax Benefits Increases Or Decrease Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesOrDecreaseResultingFromCurrentPeriodTaxPositions
CY2017	atrc	Unrecognized Tax Benefits Increases Or Decreases Related To Settlements UnrecognizedTaxBenefitsIncreasesOrDecreasesRelatedToSettlements
CY2018	atrc	Unrecognized Tax Benefits Increases Or Decreases Related To Settlements UnrecognizedTaxBenefitsIncreasesOrDecreasesRelatedToSettlements
CY2019	atrc	Unrecognized Tax Benefits Increases Or Decreases Related To Settlements UnrecognizedTaxBenefitsIncreasesOrDecreasesRelatedToSettlements
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CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
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CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
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CY2019	dei	Entity File Number EntityFileNumber	000-51470
CY2019	dei	Entity Registrant Name EntityRegistrantName	AtriCure, Inc.
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	34-1940305
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	7555 Innovation Way
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Mason
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	OH
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CY2019	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	20307000
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-7831000
CY2019	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2662000
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	17977000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	41000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-35194000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	247343000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-35194000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-21137000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-26892000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	17977000
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	16495000
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	14615000
CY2019	us-gaap	Depreciation Depreciation	7423000
CY2018	us-gaap	Depreciation Depreciation	7244000
CY2017	us-gaap	Depreciation Depreciation	7761000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1943000
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1510000
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1367000
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	375000
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	515000
CY2017	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	264000
CY2019	atrc	Non Cash Lease Expense NonCashLeaseExpense	751000
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-604000
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-323000
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-336000
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-181000
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-165000
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	173000
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	922000
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	362000
CY2017	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-30000
CY2019	atrc	Change In Allowance For Doubtful Accounts ChangeInAllowanceForDoubtfulAccounts	582000
CY2018	atrc	Change In Allowance For Doubtful Accounts ChangeInAllowanceForDoubtfulAccounts	598000
CY2017	atrc	Change In Allowance For Doubtful Accounts ChangeInAllowanceForDoubtfulAccounts	-172000
CY2019	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-4916000
CY2018	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-10825000
CY2017	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-4078000
CY2018	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	96000
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3201000
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2837000
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1464000
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	5151000
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	146000
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	4477000
CY2019	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	1199000
CY2018	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	367000
CY2017	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-829000
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	2790000
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2398000
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1290000
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	3108000
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	7016000
CY2017	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	408000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-15811000
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-4171000
CY2018	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	106588000
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-8944000
CY2019	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	73249000
CY2017	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	16455000
CY2019	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	100485000
CY2018	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	27389000
CY2017	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	26600000
CY2017	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	2228000
CY2019	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	962000
CY2018	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	-131000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12182000
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6211000
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6384000
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	39000
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	6000
CY2019	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	17240000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2147000
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-85404000
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	3761000
CY2019	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	229000
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	82873000
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	20000000
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	17381000
CY2019	atrc	Repayments Of Debt And Finance Lease Obligation RepaymentsOfDebtAndFinanceLeaseObligation	629000
CY2018	atrc	Repayments Of Debt And Finance Lease Obligation RepaymentsOfDebtAndFinanceLeaseObligation	1755000
CY2017	atrc	Repayments Of Debt And Finance Lease Obligation RepaymentsOfDebtAndFinanceLeaseObligation	1689000
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	329000
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1136000
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	50000
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1202000
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	6012000
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4402000
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	9033000
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4457000
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2013000
CY2019	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	2662000
CY2018	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	2383000
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	2110000
CY2018	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	1125000
CY2019	atrc	Proceeds From Economic Incentive Loan ProceedsFromEconomicIncentiveLoan	500000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	14373000
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	100176000
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2760000
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-163000
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-179000
CY2017	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	24000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-3748000
CY2018	us-gaap	Interest Paid Net InterestPaidNet	3870000
CY2017	us-gaap	Interest Paid Net InterestPaidNet	2002000
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	10422000
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-2399000
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	32231000
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	21809000
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	24208000
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	28483000
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	32231000
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	21809000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	3719000
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	259000
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	65000
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	37000
CY2019	atrc	Business Acquisition Contingent Consideration BusinessAcquisitionContingentConsideration	171300000
CY2019	us-gaap	Stock Issued1 StockIssued1	20307000
CY2018	atrc	Share Settled Portion Of Contingent Consideration ShareSettledPortionOfContingentConsideration	6279000
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1053000
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	348000
CY2017	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	650000
CY2019	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	270000
CY2018	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	24000
CY2017	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	2000
CY2018	atrc	Capital Lease Asset Early Termination CapitalLeaseAssetEarlyTermination	6000
CY2019	us-gaap	Nature Of Operations NatureOfOperations	<span style="white-space:pre-wrap; font-family: 'Times New Roman', 'serif';font-size: 10pt;font-style: italic;font-weight: bold;margin: 0;padding: 0;">Nature of the Business</span><span style="white-space:pre-wrap; font-family: 'Times New Roman', 'serif';font-size: 10pt;font-style: normal;font-weight: normal;margin: 0;padding: 0;">—The “Company” or “AtriCure” consists of AtriCure, Inc. and its wholly-owned subsidiaries. The Company is </span><span style="white-space:pre-wrap; font-family: 'Times New Roman', 'serif';font-size: 10pt;font-style: normal;font-weight: normal;margin: 0;padding: 0;">a </span><span style="white-space:pre-wrap; font-family: 'Times New Roman', 'serif';font-size: 10pt;font-style: normal;font-weight: normal;margin: 0;padding: 0;">leading innovator in treatments for atrial fibrillation (Afib) and left atrial appendage (LAA) management and sells its products to medical centers globally through its direct sales force and distributors.</span>
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	18000
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3623000
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3869000
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4321000
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-199000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	138012000
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	34000
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-468000
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-158000
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-199000
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	34000
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	635000
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	785000
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	900000
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<span style="white-space:pre-wrap; font-family: 'Times New Roman', 'serif';font-size: 10pt;font-style: italic;font-weight: bold;margin: 0;padding: 0;">Use of Estimates—</span><span style="white-space:pre-wrap; font-family: 'Times New Roman', 'serif';font-size: 10pt;font-style: normal;font-weight: normal;margin: 0;padding: 0;">The preparation of the financial statements in conformity with accounting principles generally accepted in the United States of America (GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expense during the reporting period. Actual results could differ from those estimates.</span>
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	8131000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	56271000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	7017000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1943000
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1510000
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1367000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	1822000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1511000
	atrc	Contingent Consideration Revenue To Target Ratio ContingentConsiderationRevenueToTargetRatio	1.5
	atrc	Payment Of Contingent Consideration When Commercial Milestone Achieved Time Allotment Period PaymentOfContingentConsiderationWhenCommercialMilestoneAchievedTimeAllotmentPeriod	P65D
CY2017	atrc	Payments Of Contingent Consideration PaymentsOfContingentConsideration	0
CY2018	atrc	Payments Of Contingent Consideration PaymentsOfContingentConsideration	0
CY2019	atrc	Payments Of Contingent Consideration PaymentsOfContingentConsideration	0
CY2019Q4	us-gaap	Investment Owned At Cost InvestmentOwnedAtCost	65893000
CY2019	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	100000
CY2019Q4	us-gaap	Investment Owned At Fair Value InvestmentOwnedAtFairValue	65993000
CY2018Q4	us-gaap	Investment Owned At Cost InvestmentOwnedAtCost	92208000
CY2018	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-37000
CY2018Q4	us-gaap	Investment Owned At Fair Value InvestmentOwnedAtFairValue	92171000
CY2017	us-gaap	Gain Loss On Investments GainLossOnInvestments	0
CY2018	us-gaap	Gain Loss On Investments GainLossOnInvestments	0
CY2019	us-gaap	Gain Loss On Investments GainLossOnInvestments	0
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	11774000
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	12527000
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	10536000
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	32646000
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	33062000
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	27273000
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	27080000
CY2019	us-gaap	Depreciation Depreciation	7423000
CY2018	us-gaap	Depreciation Depreciation	7244000
CY2017	us-gaap	Depreciation Depreciation	7761000
CY2019Q4	us-gaap	Accrued Bonuses Current AccruedBonusesCurrent	10840000
CY2018Q4	us-gaap	Accrued Bonuses Current AccruedBonusesCurrent	9100000
CY2019Q4	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	8734000
CY2018Q4	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	8065000
CY2019Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	6748000
CY2018Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	4512000
CY2019Q4	atrc	Sales Returns Allowance Trade SalesReturnsAllowanceTrade	3979000
CY2018Q4	atrc	Sales Returns Allowance Trade SalesReturnsAllowanceTrade	1410000
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	59000
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1205000
CY2019Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	1658000
CY2018Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	886000
CY2019Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	732000
CY2018Q4	us-gaap	Accrued Royalties Current AccruedRoyaltiesCurrent	662000
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	32750000
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	25840000
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	14634000
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	17561000
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	17561000
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	10244000
CY2019Q4	atrc	Cash Payment Obligations On Debt Noncurrent CashPaymentObligationsOnDebtNoncurrent	60000000
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	60000000
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y6M
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P11Y
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.059
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.070
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	952000
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	998000
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	872000
CY2019	us-gaap	Lease Cost LeaseCost	1870000
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	1026000
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	872000
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	629000
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1884000
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	270000
CY2019Q4	atrc	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Operating Lease Right Of Use Asset BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAsset	2929000
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	4032000
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1465000
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	2796000
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	4261000
CY2019Q4	atrc	Finance Lease Right Of Use Asset Property Plant And Equipment FinanceLeaseRightOfUseAssetPropertyPlantAndEquipment	14733000
CY2019Q4	atrc	Finance Lease Right Of Use Asset Accumulated Depreciation FinanceLeaseRightOfUseAssetAccumulatedDepreciation	4197000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	18000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	18000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	173000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3560000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	708000
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	753000
CY2017Q4	us-gaap	Goodwill Goodwill	105257000
CY2018Q4	us-gaap	Goodwill Goodwill	105257000
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	129524000
CY2019Q4	us-gaap	Goodwill Goodwill	234781000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	1597000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1337000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	1602000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1178000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	1623000
CY2019Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	11126000
CY2018Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	9100000
CY2019Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	1260000
CY2018Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	1232000
CY2019Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	17028000
CY2018Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	12152000
CY2019Q4	us-gaap	Inventory Net InventoryNet	29414000
CY2018Q4	us-gaap	Inventory Net InventoryNet	22484000
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	65708000
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	54353000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1465000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	1646000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	1670000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	9799000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	4688000
CY2019Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	17937000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	427000
CY2019Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	5410000
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	4261000
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	12527000
CY2019	us-gaap	Royalty Expense RoyaltyExpense	2892000
CY2018	us-gaap	Royalty Expense RoyaltyExpense	2715000
CY2017	us-gaap	Royalty Expense RoyaltyExpense	2323000
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-26000
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-51000
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	34000
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	28000
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	44000
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	165000
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	198000
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	72000
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	173000
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	175000
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	116000
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-7655000
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3048000
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	45000
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-2241000
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-10739000
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-2876000
CY2018Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	774000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	8233000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	4750000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	3513000
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	18485000
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1368000
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	178000
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1337000
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1690000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-4391000
CY2017	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	15009000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	26000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	51000
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-102000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	199000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	226000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14000
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	111000000
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	68563000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	8193000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	6206000
CY2019Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	909000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	802000
CY2019Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	1007000
CY2018Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	726000
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	30996000
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	11448000
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1482000
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	608000
CY2019Q4	atrc	Deferred Tax Assets Finance And Operating Lease Liabilities DeferredTaxAssetsFinanceAndOperatingLeaseLiabilities	4016000
CY2019Q4	atrc	Deferred Tax Liabilities Right Of Use Assets DeferredTaxLiabilitiesRightOfUseAssets	3476000
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	287000
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	135000
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	101204000
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	69900000
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	101178000
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	69849000
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	26000
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	51000
CY2017Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	2816000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-6950000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.3400
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-9139000
CY2019	atrc	Effective Income Tax Rate Reconciliation Federal And Foreign Income Tax Rate Differential Percent EffectiveIncomeTaxRateReconciliationFederalAndForeignIncomeTaxRateDifferentialPercent	0.0140
CY2019	atrc	Effective Income Tax Rate Reconciliation Federal Foreign Income Tax Rate Differential Amount EffectiveIncomeTaxRateReconciliationFederalForeignIncomeTaxRateDifferentialAmount	-462000
CY2018	atrc	Effective Income Tax Rate Reconciliation Federal And Foreign Income Tax Rate Differential Percent EffectiveIncomeTaxRateReconciliationFederalAndForeignIncomeTaxRateDifferentialPercent	-0.0684
CY2017	us-gaap	Income Tax Reconciliation Tax Contingencies Domestic IncomeTaxReconciliationTaxContingenciesDomestic	-2816000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.3245
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	10739000
CY2018	atrc	Effective Income Tax Rate Reconciliation Federal Foreign Income Tax Rate Differential Amount EffectiveIncomeTaxRateReconciliationFederalForeignIncomeTaxRateDifferentialAmount	1430000
CY2017	atrc	Effective Income Tax Rate Reconciliation Federal And Foreign Income Tax Rate Differential Percent EffectiveIncomeTaxRateReconciliationFederalAndForeignIncomeTaxRateDifferentialPercent	-1.0968
CY2017	atrc	Effective Income Tax Rate Reconciliation Federal Foreign Income Tax Rate Differential Amount EffectiveIncomeTaxRateReconciliationFederalForeignIncomeTaxRateDifferentialAmount	29480000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.0253
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	837000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.0439
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	918000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.0040
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	-107000
CY2019	atrc	Effective Income Tax Rate Reconciliation Deferred Adjustment Percent EffectiveIncomeTaxRateReconciliationDeferredAdjustmentPercent	0.0328
CY2019	atrc	Effective Income Tax Rate Reconciliation Deferred Adjustment Amount EffectiveIncomeTaxRateReconciliationDeferredAdjustmentAmount	-1085000
CY2018	atrc	Effective Income Tax Rate Reconciliation Deferred Adjustment Percent EffectiveIncomeTaxRateReconciliationDeferredAdjustmentPercent	-0.1077
CY2018	atrc	Effective Income Tax Rate Reconciliation Deferred Adjustment Amount EffectiveIncomeTaxRateReconciliationDeferredAdjustmentAmount	2253000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies Domestic EffectiveIncomeTaxRateReconciliationTaxContingenciesDomestic	0.1048
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.1375
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	2876000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.5584
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-15009000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0402
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1334000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.0099
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	206000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0481
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1292000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies Foreign EffectiveIncomeTaxRateReconciliationTaxContingenciesForeign	-0.0117
CY2019	us-gaap	Income Tax Reconciliation Tax Contingencies Foreign IncomeTaxReconciliationTaxContingenciesForeign	388000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies Foreign EffectiveIncomeTaxRateReconciliationTaxContingenciesForeign	-0.0122
CY2018	us-gaap	Income Tax Reconciliation Tax Contingencies Foreign IncomeTaxReconciliationTaxContingenciesForeign	256000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies Foreign EffectiveIncomeTaxRateReconciliationTaxContingenciesForeign	0.0130
CY2017	us-gaap	Income Tax Reconciliation Tax Contingencies Foreign IncomeTaxReconciliationTaxContingenciesForeign	-348000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.0038
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	126000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.0060
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	125000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.0245
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	658000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0117
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-386000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0770
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1611000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0605
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1627000
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.0060
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	199000
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.0108
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	226000
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.0005
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-28002000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-6993000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-13443000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-7468000
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-19409000
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-7469000
CY2019Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	304000
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1157000
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1157000
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3175000
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	620000
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2018000
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1777000
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1157000
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1157000
CY2019Q4	atrc	Deferred Tax Assets Tax Credit Carryforwards Research And Unrecognized Tax Benefits Reduction From Irs Audit DeferredTaxAssetsTaxCreditCarryforwardsResearchAndUnrecognizedTaxBenefitsReductionFromIrsAudit	2018000
CY2017Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	0
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	0
CY2019Q4	atrc	Unrecognized Tax Benefits That Would Result In Adjustment To Other Tax Accounts UnrecognizedTaxBenefitsThatWouldResultInAdjustmentToOtherTaxAccounts	1777000
CY2019	atrc	Concentration Risk Number Of Major Customers ConcentrationRiskNumberOfMajorCustomers	10
CY2019Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	28096000
CY2017	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.50
CY2018	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.50
CY2019	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.50
CY2017	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.06
CY2018	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.06
CY2019	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.06
CY2019	atrc	Defined Contribution Plan Employer Matching Contribution DefinedContributionPlanEmployerMatchingContribution	1915000
CY2018	atrc	Defined Contribution Plan Employer Matching Contribution DefinedContributionPlanEmployerMatchingContribution	1560000
CY2017	atrc	Defined Contribution Plan Employer Matching Contribution DefinedContributionPlanEmployerMatchingContribution	1367000
CY2017	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	0
CY2018	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	0
CY2019	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	0
CY2019	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	248000
CY2018	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	243000
CY2017	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	205000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1985000
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5343000
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5121000
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	0
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	0
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	0
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1202000
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	6012000
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4402000
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17977000
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	16495000
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14615000
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17977000
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	16495000
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14615000
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	958000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	230807000
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	201630000
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	174716000
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	53966000
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	46994000
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	58906000
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	51802000
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	56614000
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	49941000
CY2019Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	61321000
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	52893000
CY2019Q1	us-gaap	Gross Profit GrossProfit	39871000
CY2018Q1	us-gaap	Gross Profit GrossProfit	34503000
CY2019Q2	us-gaap	Gross Profit GrossProfit	43893000
CY2018Q2	us-gaap	Gross Profit GrossProfit	38079000
CY2019Q3	us-gaap	Gross Profit GrossProfit	41797000
CY2018Q3	us-gaap	Gross Profit GrossProfit	35948000
CY2019Q4	us-gaap	Gross Profit GrossProfit	44774000
CY2018Q4	us-gaap	Gross Profit GrossProfit	38590000
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-5320000
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-9430000
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-3839000
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-8637000
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-6048000
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-15326000
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-2607000
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	-5635000
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	-10134000
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	-4101000
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	-338000
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	-9362000
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	-7235000
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	-16096000
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	-3430000
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	-0.15
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	-0.31
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	-0.11
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	-0.01
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	-0.25
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	-0.22
CY2019Q4	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	-0.42
CY2018Q4	us-gaap	Income Loss From Continuing Operations Per Basic And Diluted Share IncomeLossFromContinuingOperationsPerBasicAndDilutedShare	-0.09

Files In Submission

Name	View Source	Status
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0001323885-20-000009-index.html	Edgar Link	pending
0001323885-20-000009.txt	Edgar Link	pending
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atrc-20191231.xsd	Edgar Link	pending
atrc-20191231x10k.htm	Edgar Link	pending
atrc-20191231x10kg001.jpg	Edgar Link	pending
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atrc-20191231xex4_1.htm	Edgar Link	pending
atrc-20191231_cal.xml	Edgar Link	unprocessable
atrc-20191231_def.xml	Edgar Link	unprocessable
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atrc-20191231_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
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$ATRC
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2020 Q1 Form 10-K Financial Statement

#000132388520000009 Filed on February 24, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATRC AtriCure, Inc. Stock $atrc

2020 Q1 Form 10-K Financial Statement

#000132388520000009 Filed on February 24, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ATRC
AtriCure, Inc. Stock $atrc