3.26.1 html 118 268 1 false 44 0 false 8 false false R1.htm 0000001 - Document - Cover Sheet http://www.atricure.com/role/Cover Cover Cover 1 false false R2.htm 9952151 - Statement - Condensed Consolidated Balance Sheets Sheet http://www.atricure.com/role/CondensedConsolidatedBalanceSheets Condensed Consolidated Balance Sheets Statements 2 false false R3.htm 9952152 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://www.atricure.com/role/CondensedConsolidatedBalanceSheetsParenthetical Condensed Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 9952153 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss Sheet http://www.atricure.com/role/CondensedConsolidatedStatementsofOperationsandComprehensiveLoss Condensed Consolidated Statements of Operations and Comprehensive Loss Statements 4 false false R5.htm 9952154 - Statement - Condensed Consolidated Statements of Stockholders' Equity Sheet http://www.atricure.com/role/CondensedConsolidatedStatementsofStockholdersEquity Condensed Consolidated Statements of Stockholders' Equity Statements 5 false false R6.htm 9952155 - Statement - Condensed Consolidated Statements of Cash Flows Sheet http://www.atricure.com/role/CondensedConsolidatedStatementsofCashFlows Condensed Consolidated Statements of Cash Flows Statements 6 false false R7.htm 9952156 - Disclosure - Description of Business and Summary of Significant Accounting Policies Sheet http://www.atricure.com/role/DescriptionofBusinessandSummaryofSignificantAccountingPolicies Description of Business and Summary of Significant Accounting Policies Notes 7 false false R8.htm 9952157 - Disclosure - Fair Value Sheet http://www.atricure.com/role/FairValue Fair Value Notes 8 false false R9.htm 9952158 - Disclosure - Inventories Sheet http://www.atricure.com/role/Inventories Inventories Notes 9 false false R10.htm 9952159 - Disclosure - Intangible Assets Sheet http://www.atricure.com/role/IntangibleAssets Intangible Assets Notes 10 false false R11.htm 9952160 - Disclosure - Accrued Liabilities Sheet http://www.atricure.com/role/AccruedLiabilities Accrued Liabilities Notes 11 false false R12.htm 9952161 - Disclosure - Borrowings and Financing Obligation Sheet http://www.atricure.com/role/BorrowingsandFinancingObligation Borrowings and Financing Obligation Notes 12 false false R13.htm 9952162 - Disclosure - Leases Sheet http://www.atricure.com/role/Leases Leases Notes 13 false false R14.htm 9952163 - Disclosure - Commitments and Contingencies Sheet http://www.atricure.com/role/CommitmentsandContingencies Commitments and Contingencies Notes 14 false false R15.htm 9952164 - Disclosure - Revenue Sheet http://www.atricure.com/role/Revenue Revenue Notes 15 false false R16.htm 9952165 - Disclosure - Income Tax Provision Sheet http://www.atricure.com/role/IncomeTaxProvision Income Tax Provision Notes 16 false false R17.htm 9952166 - Disclosure - Equity Compensation Plans Sheet http://www.atricure.com/role/EquityCompensationPlans Equity Compensation Plans Notes 17 false false R18.htm 9952167 - Disclosure - Earnings Per Share Sheet http://www.atricure.com/role/EarningsPerShare Earnings Per Share Notes 18 false false R19.htm 9952168 - Disclosure - Comprehensive Loss and Accumulated Other Comprehensive Income (Loss) Sheet http://www.atricure.com/role/ComprehensiveLossandAccumulatedOtherComprehensiveIncomeLoss Comprehensive Loss and Accumulated Other Comprehensive Income (Loss) Notes 19 false false R20.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 20 false false R21.htm 9955511 - Disclosure - Description of Business and Summary of Significant Accounting Policies (Policies) Sheet http://www.atricure.com/role/DescriptionofBusinessandSummaryofSignificantAccountingPoliciesPolicies Description of Business and Summary of Significant Accounting Policies (Policies) Policies http://www.atricure.com/role/DescriptionofBusinessandSummaryofSignificantAccountingPolicies 21 false false R22.htm 9955512 - Disclosure - Fair Value (Tables) Sheet http://www.atricure.com/role/FairValueTables Fair Value (Tables) Tables http://www.atricure.com/role/FairValue 22 false false R23.htm 9955513 - Disclosure - Inventories (Tables) Sheet http://www.atricure.com/role/InventoriesTables Inventories (Tables) Tables http://www.atricure.com/role/Inventories 23 false false R24.htm 9955514 - Disclosure - Intangible Assets (Tables) Sheet http://www.atricure.com/role/IntangibleAssetsTables Intangible Assets (Tables) Tables http://www.atricure.com/role/IntangibleAssets 24 false false R25.htm 9955515 - Disclosure - Accrued Liabilities (Tables) Sheet http://www.atricure.com/role/AccruedLiabilitiesTables Accrued Liabilities (Tables) Tables http://www.atricure.com/role/AccruedLiabilities 25 false false R26.htm 9955516 - Disclosure - Borrowings and Financing Obligation (Tables) Sheet http://www.atricure.com/role/BorrowingsandFinancingObligationTables Borrowings and Financing Obligation (Tables) Tables http://www.atricure.com/role/BorrowingsandFinancingObligation 26 false false R27.htm 9955517 - Disclosure - Leases (Tables) Sheet http://www.atricure.com/role/LeasesTables Leases (Tables) Tables http://www.atricure.com/role/Leases 27 false false R28.htm 9955518 - Disclosure - Revenue (Tables) Sheet http://www.atricure.com/role/RevenueTables Revenue (Tables) Tables http://www.atricure.com/role/Revenue 28 false false R29.htm 9955519 - Disclosure - Equity Compensation Plans (Tables) Sheet http://www.atricure.com/role/EquityCompensationPlansTables Equity Compensation Plans (Tables) Tables http://www.atricure.com/role/EquityCompensationPlans 29 false false R30.htm 9955520 - Disclosure - Earnings Per Share (Tables) Sheet http://www.atricure.com/role/EarningsPerShareTables Earnings Per Share (Tables) Tables http://www.atricure.com/role/EarningsPerShare 30 false false R31.htm 9955521 - Disclosure - Comprehensive Loss and Accumulated Other Comprehensive Income (Loss) (Tables) Sheet http://www.atricure.com/role/ComprehensiveLossandAccumulatedOtherComprehensiveIncomeLossTables Comprehensive Loss and Accumulated Other Comprehensive Income (Loss) (Tables) Tables http://www.atricure.com/role/ComprehensiveLossandAccumulatedOtherComprehensiveIncomeLoss 31 false false R32.htm 9955522 - Disclosure - Description of Business and Summary of Significant Accounting Policies (Details) Sheet http://www.atricure.com/role/DescriptionofBusinessandSummaryofSignificantAccountingPoliciesDetails Description of Business and Summary of Significant Accounting Policies (Details) Details http://www.atricure.com/role/DescriptionofBusinessandSummaryofSignificantAccountingPoliciesPolicies 32 false false R33.htm 9955523 - Disclosure - Fair Value (Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) Sheet http://www.atricure.com/role/FairValueSummaryofFinancialAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails Fair Value (Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) Details http://www.atricure.com/role/FairValueTables 33 false false R34.htm 9955524 - Disclosure - Fair Value (Narrative) (Details) Sheet http://www.atricure.com/role/FairValueNarrativeDetails Fair Value (Narrative) (Details) Details http://www.atricure.com/role/FairValueTables 34 false false R35.htm 9955525 - Disclosure - Inventories (Details) Sheet http://www.atricure.com/role/InventoriesDetails Inventories (Details) Details http://www.atricure.com/role/InventoriesTables 35 false false R36.htm 9955526 - Disclosure - Intangible Assets (Summary of Company's Intangible Assets) (Details) Sheet http://www.atricure.com/role/IntangibleAssetsSummaryofCompanysIntangibleAssetsDetails Intangible Assets (Summary of Company's Intangible Assets) (Details) Details http://www.atricure.com/role/IntangibleAssetsTables 36 false false R37.htm 9955527 - Disclosure - Intangible Assets (Summary of Disaggregation of Amortization Expense) (Details) Sheet http://www.atricure.com/role/IntangibleAssetsSummaryofDisaggregationofAmortizationExpenseDetails Intangible Assets (Summary of Disaggregation of Amortization Expense) (Details) Details http://www.atricure.com/role/IntangibleAssetsTables 37 false false R38.htm 9955528 - Disclosure - Intangible Assets (Summary of Future Amortization Expense Related to Intangible Assets with Definite Lives) (Details) Sheet http://www.atricure.com/role/IntangibleAssetsSummaryofFutureAmortizationExpenseRelatedtoIntangibleAssetswithDefiniteLivesDetails Intangible Assets (Summary of Future Amortization Expense Related to Intangible Assets with Definite Lives) (Details) Details http://www.atricure.com/role/IntangibleAssetsTables 38 false false R39.htm 9955529 - Disclosure - Accrued Liabilities (Details) Sheet http://www.atricure.com/role/AccruedLiabilitiesDetails Accrued Liabilities (Details) Details http://www.atricure.com/role/AccruedLiabilitiesTables 39 false false R40.htm 9955530 - Disclosure - Borrowings and Financing Obligation (Narrative) (Details) Sheet http://www.atricure.com/role/BorrowingsandFinancingObligationNarrativeDetails Borrowings and Financing Obligation (Narrative) (Details) Details http://www.atricure.com/role/BorrowingsandFinancingObligationTables 40 false false R41.htm 9955531 - Disclosure - Borrowings and Financing Obligation (Summary of Future Maturities on Debt) (Details) Sheet http://www.atricure.com/role/BorrowingsandFinancingObligationSummaryofFutureMaturitiesonDebtDetails Borrowings and Financing Obligation (Summary of Future Maturities on Debt) (Details) Details http://www.atricure.com/role/BorrowingsandFinancingObligationTables 41 false false R42.htm 9955532 - Disclosure - Borrowings and Financing Obligation (Summary of Operating Lease Maturities) (Details) Sheet http://www.atricure.com/role/BorrowingsandFinancingObligationSummaryofOperatingLeaseMaturitiesDetails Borrowings and Financing Obligation (Summary of Operating Lease Maturities) (Details) Details http://www.atricure.com/role/BorrowingsandFinancingObligationTables 42 false false R43.htm 9955533 - Disclosure - Borrowings and Financing Obligation (Summary of Financing Lease Obligation Maturities) (Details) Sheet http://www.atricure.com/role/BorrowingsandFinancingObligationSummaryofFinancingLeaseObligationMaturitiesDetails Borrowings and Financing Obligation (Summary of Financing Lease Obligation Maturities) (Details) Details http://www.atricure.com/role/BorrowingsandFinancingObligationTables 43 false false R44.htm 9955534 - Disclosure - Leases (Narrative) (Details) Sheet http://www.atricure.com/role/LeasesNarrativeDetails Leases (Narrative) (Details) Details http://www.atricure.com/role/LeasesTables 44 false false R45.htm 9955535 - Disclosure - Leases (Summary of Weighted Average Remaining Lease Term and Discount Rate) (Details) Sheet http://www.atricure.com/role/LeasesSummaryofWeightedAverageRemainingLeaseTermandDiscountRateDetails Leases (Summary of Weighted Average Remaining Lease Term and Discount Rate) (Details) Details http://www.atricure.com/role/LeasesTables 45 false false R46.htm 9955536 - Disclosure - Leases (Summary of Components of Lease Expense) (Details) Sheet http://www.atricure.com/role/LeasesSummaryofComponentsofLeaseExpenseDetails Leases (Summary of Components of Lease Expense) (Details) Details http://www.atricure.com/role/LeasesTables 46 false false R47.htm 9955537 - Disclosure - Leases (Summary of Supplemental Cash Flow Information Related to Leases) (Details) Sheet http://www.atricure.com/role/LeasesSummaryofSupplementalCashFlowInformationRelatedtoLeasesDetails Leases (Summary of Supplemental Cash Flow Information Related to Leases) (Details) Details http://www.atricure.com/role/LeasesTables 47 false false R48.htm 9955538 - Disclosure - Leases (Summary of Supplemental Balance Sheet Information Related to Leases) (Details) Sheet http://www.atricure.com/role/LeasesSummaryofSupplementalBalanceSheetInformationRelatedtoLeasesDetails Leases (Summary of Supplemental Balance Sheet Information Related to Leases) (Details) Details http://www.atricure.com/role/LeasesTables 48 false false R49.htm 9955539 - Disclosure - Leases (Summary of Maturities of Lease Liabilities) (Details) Sheet http://www.atricure.com/role/LeasesSummaryofMaturitiesofLeaseLiabilitiesDetails Leases (Summary of Maturities of Lease Liabilities) (Details) Details http://www.atricure.com/role/LeasesTables 49 false false R50.htm 9955540 - Disclosure - Commitments and Contingencies (Details) Sheet http://www.atricure.com/role/CommitmentsandContingenciesDetails Commitments and Contingencies (Details) Details http://www.atricure.com/role/CommitmentsandContingencies 50 false false R51.htm 9955541 - Disclosure - Revenue (Summary of Revenue by Product Type) (Details) Sheet http://www.atricure.com/role/RevenueSummaryofRevenuebyProductTypeDetails Revenue (Summary of Revenue by Product Type) (Details) Details http://www.atricure.com/role/RevenueTables 51 false false R52.htm 9955542 - Disclosure - Revenue (Summary of Revenue by Geographic Area) (Details) Sheet http://www.atricure.com/role/RevenueSummaryofRevenuebyGeographicAreaDetails Revenue (Summary of Revenue by Geographic Area) (Details) Details http://www.atricure.com/role/RevenueTables 52 false false R53.htm 9955543 - Disclosure - Income Tax Provision (Details) Sheet http://www.atricure.com/role/IncomeTaxProvisionDetails Income Tax Provision (Details) Details http://www.atricure.com/role/IncomeTaxProvision 53 false false R54.htm 9955544 - Disclosure - Equity Compensation Plans (Narrative) (Details) Sheet http://www.atricure.com/role/EquityCompensationPlansNarrativeDetails Equity Compensation Plans (Narrative) (Details) Details http://www.atricure.com/role/EquityCompensationPlansTables 54 false false R55.htm 9955545 - Disclosure - Equity Compensation Plans (Share-Based Compensation Expense Related to Employee Share-Based Compensation) (Details) Sheet http://www.atricure.com/role/EquityCompensationPlansShareBasedCompensationExpenseRelatedtoEmployeeShareBasedCompensationDetails Equity Compensation Plans (Share-Based Compensation Expense Related to Employee Share-Based Compensation) (Details) Details http://www.atricure.com/role/EquityCompensationPlansTables 55 false false R56.htm 9955546 - Disclosure - Earnings Per Share - Schedule of Earnings Per Share (Details) Sheet http://www.atricure.com/role/EarningsPerShareScheduleofEarningsPerShareDetails Earnings Per Share - Schedule of Earnings Per Share (Details) Details 56 false false R57.htm 9955547 - Disclosure - Earnings Per Share - Narrative (Details) Sheet http://www.atricure.com/role/EarningsPerShareNarrativeDetails Earnings Per Share - Narrative (Details) Details 57 false false R58.htm 9955548 - Disclosure - Comprehensive Loss and Accumulated Other Comprehensive Income (Loss) (Details) Sheet http://www.atricure.com/role/ComprehensiveLossandAccumulatedOtherComprehensiveIncomeLossDetails Comprehensive Loss and Accumulated Other Comprehensive Income (Loss) (Details) Details http://www.atricure.com/role/ComprehensiveLossandAccumulatedOtherComprehensiveIncomeLossTables 58 false false All Reports Book All Reports atrc-20260331.htm atrc-20260331.xsd atrc-20260331_cal.xml atrc-20260331_def.xml atrc-20260331_lab.xml atrc-20260331_pre.xml atrc-20260331_g1.jpg http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true