3.8.0.1 html 249 407 1 true 85 0 false 7 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://www.airgain.com/20171231/taxonomy/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - Balance Sheets Sheet http://www.airgain.com/20171231/taxonomy/role/StatementBalanceSheets Balance Sheets Statements 2 false false R3.htm 100020 - Statement - Balance Sheets (Parenthetical) Sheet http://www.airgain.com/20171231/taxonomy/role/StatementBalanceSheetsParenthetical Balance Sheets (Parenthetical) Statements 3 false false R4.htm 100030 - Statement - Statements of Operations Sheet http://www.airgain.com/20171231/taxonomy/role/StatementStatementsOfOperations Statements of Operations Statements 4 false false R5.htm 100040 - Statement - Statement of Comprehensive Income (Loss) Sheet http://www.airgain.com/20171231/taxonomy/role/StatementStatementOfComprehensiveIncomeLoss Statement of Comprehensive Income (Loss) Statements 5 false false R6.htm 100050 - Statement - Statements of Stockholders' Equity (Deficit) Sheet http://www.airgain.com/20171231/taxonomy/role/StatementStatementsOfStockholdersEquityDeficit Statements of Stockholders' Equity (Deficit) Statements 6 false false R7.htm 100060 - Statement - Statements of Stockholders' Equity (Deficit) (Parenthetical) Sheet http://www.airgain.com/20171231/taxonomy/role/StatementStatementsOfStockholdersEquityDeficitParenthetical Statements of Stockholders' Equity (Deficit) (Parenthetical) Statements 7 false false R8.htm 100070 - Statement - Statements of Cash Flows Sheet http://www.airgain.com/20171231/taxonomy/role/StatementStatementsOfCashFlows Statements of Cash Flows Statements 8 false false R9.htm 100080 - Disclosure - Significant Accounting Policies Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureSignificantAccountingPolicies Significant Accounting Policies Notes 9 false false R10.htm 100090 - Disclosure - Cash, Cash Equivalents and Short-Term Investments Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureCashCashEquivalentsAndShortTermInvestments Cash, Cash Equivalents and Short-Term Investments Notes 10 false false R11.htm 100100 - Disclosure - Property and Equipment Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosurePropertyAndEquipment Property and Equipment Notes 11 false false R12.htm 100110 - Disclosure - Acquisitions Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureAcquisitions Acquisitions Notes 12 false false R13.htm 100120 - Disclosure - Goodwill Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureGoodwill Goodwill Notes 13 false false R14.htm 100130 - Disclosure - Intangible Assets Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureIntangibleAssets Intangible Assets Notes 14 false false R15.htm 100140 - Disclosure - Long-term Notes Payable (including current portion) and Line of Credit Notes http://www.airgain.com/20171231/taxonomy/role/DisclosureLongTermNotesPayableIncludingCurrentPortionAndLineOfCredit Long-term Notes Payable (including current portion) and Line of Credit Notes 15 false false R16.htm 100150 - Disclosure - Treasury Stock Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureTreasuryStock Treasury Stock Notes 16 false false R17.htm 100160 - Disclosure - Income Taxes Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureIncomeTaxes Income Taxes Notes 17 false false R18.htm 100170 - Disclosure - Stockholders' Equity (Deficit) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureStockholdersEquityDeficit Stockholders' Equity (Deficit) Notes 18 false false R19.htm 100180 - Disclosure - Preferred Redeemable Convertible Stock Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosurePreferredRedeemableConvertibleStock Preferred Redeemable Convertible Stock Notes 19 false false R20.htm 100190 - Disclosure - Stock Options Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureStockOptions Stock Options Notes 20 false false R21.htm 100200 - Disclosure - Commitments and Contingencies Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 21 false false R22.htm 100210 - Disclosure - Concentration of Credit Risk Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureConcentrationOfCreditRisk Concentration of Credit Risk Notes 22 false false R23.htm 100220 - Disclosure - Related-Party Transactions Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureRelatedPartyTransactions Related-Party Transactions Notes 23 false false R24.htm 100230 - Disclosure - Employee Benefit Plan Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureEmployeeBenefitPlan Employee Benefit Plan Notes 24 false false R25.htm 100240 - Disclosure - Subsequent Events Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureSubsequentEvents Subsequent Events Notes 25 false false R26.htm 100250 - Disclosure - Quarterly Financial Information (unaudited) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureQuarterlyFinancialInformationUnaudited Quarterly Financial Information (unaudited) Notes 26 false false R27.htm 100260 - Disclosure - Significant Accounting Policies (Policies) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureSignificantAccountingPoliciesPolicies Significant Accounting Policies (Policies) Policies http://www.airgain.com/20171231/taxonomy/role/DisclosureSignificantAccountingPolicies 27 false false R28.htm 100270 - Disclosure - Significant Accounting Policies (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureSignificantAccountingPoliciesTables Significant Accounting Policies (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosureSignificantAccountingPolicies 28 false false R29.htm 100280 - Disclosure - Cash, Cash Equivalents and Short-Term Investments (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureCashCashEquivalentsAndShortTermInvestmentsTables Cash, Cash Equivalents and Short-Term Investments (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosureCashCashEquivalentsAndShortTermInvestments 29 false false R30.htm 100290 - Disclosure - Property and Equipment (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosurePropertyAndEquipmentTables Property and Equipment (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosurePropertyAndEquipment 30 false false R31.htm 100300 - Disclosure - Acquisitions (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureAcquisitionsTables Acquisitions (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosureAcquisitions 31 false false R32.htm 100310 - Disclosure - Goodwill (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureGoodwillTables Goodwill (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosureGoodwill 32 false false R33.htm 100320 - Disclosure - Intangible Assets (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureIntangibleAssetsTables Intangible Assets (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosureIntangibleAssets 33 false false R34.htm 100330 - Disclosure - Long-term Notes Payable (including current portion) and Line of Credit (Tables) Notes http://www.airgain.com/20171231/taxonomy/role/DisclosureLongTermNotesPayableIncludingCurrentPortionAndLineOfCreditTables Long-term Notes Payable (including current portion) and Line of Credit (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosureLongTermNotesPayableIncludingCurrentPortionAndLineOfCredit 34 false false R35.htm 100340 - Disclosure - Income Taxes (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureIncomeTaxesTables Income Taxes (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosureIncomeTaxes 35 false false R36.htm 100350 - Disclosure - Stockholders' Equity (Deficit) (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureStockholdersEquityDeficitTables Stockholders' Equity (Deficit) (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosureStockholdersEquityDeficit 36 false false R37.htm 100360 - Disclosure - Preferred Redeemable Convertible Stock (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosurePreferredRedeemableConvertibleStockTables Preferred Redeemable Convertible Stock (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosurePreferredRedeemableConvertibleStock 37 false false R38.htm 100370 - Disclosure - Stock Options (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureStockOptionsTables Stock Options (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosureStockOptions 38 false false R39.htm 100380 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureCommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosureCommitmentsAndContingencies 39 false false R40.htm 100390 - Disclosure - Concentration of Credit Risk (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureConcentrationOfCreditRiskTables Concentration of Credit Risk (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosureConcentrationOfCreditRisk 40 false false R41.htm 100400 - Disclosure - Quarterly Financial Information (unaudited) (Tables) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureQuarterlyFinancialInformationUnauditedTables Quarterly Financial Information (unaudited) (Tables) Tables http://www.airgain.com/20171231/taxonomy/role/DisclosureQuarterlyFinancialInformationUnaudited 41 false false R42.htm 100410 - Disclosure - Significant Accounting Policies - Additional Information (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureSignificantAccountingPoliciesAdditionalInformationDetails Significant Accounting Policies - Additional Information (Details) Details 42 false false R43.htm 100420 - Disclosure - Significant Accounting Policies - Rollforward of Level 3 Fair Value Measurements (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureSignificantAccountingPoliciesRollforwardOfLevel3FairValueMeasurementsDetails Significant Accounting Policies - Rollforward of Level 3 Fair Value Measurements (Details) Details 43 false false R44.htm 100430 - Disclosure - Significant Accounting Policies - Summary of Computation of Net Income or Loss Per Share (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureSignificantAccountingPoliciesSummaryOfComputationOfNetIncomeOrLossPerShareDetails Significant Accounting Policies - Summary of Computation of Net Income or Loss Per Share (Details) Details 44 false false R45.htm 100440 - Disclosure - Significant Accounting Policies - Summary of Potentially Dilutive Securities (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureSignificantAccountingPoliciesSummaryOfPotentiallyDilutiveSecuritiesDetails Significant Accounting Policies - Summary of Potentially Dilutive Securities (Details) Details 45 false false R46.htm 100450 - Disclosure - Cash, Cash Equivalents and Short-Term Investments - Schedule of Cash and Cash Equivalents and Short-term Investments by Significant Investment Category (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureCashCashEquivalentsAndShortTermInvestmentsScheduleOfCashAndCashEquivalentsAndShortTermInvestmentsBySignificantInvestmentCategoryDetails Cash, Cash Equivalents and Short-Term Investments - Schedule of Cash and Cash Equivalents and Short-term Investments by Significant Investment Category (Details) Details 46 false false R47.htm 100460 - Disclosure - Cash, Cash Equivalents and Short-Term Investments - Summary of Short-term Investments with Unrealized Losses (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureCashCashEquivalentsAndShortTermInvestmentsSummaryOfShortTermInvestmentsWithUnrealizedLossesDetails Cash, Cash Equivalents and Short-Term Investments - Summary of Short-term Investments with Unrealized Losses (Details) Details 47 false false R48.htm 100470 - Disclosure - Cash, Cash Equivalents and Short-Term Investments - Schedule of Contractual Maturities of Short-term Investments (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureCashCashEquivalentsAndShortTermInvestmentsScheduleOfContractualMaturitiesOfShortTermInvestmentsDetails Cash, Cash Equivalents and Short-Term Investments - Schedule of Contractual Maturities of Short-term Investments (Details) Details 48 false false R49.htm 100480 - Disclosure - Property and Equipment - Additional Information (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosurePropertyAndEquipmentAdditionalInformationDetails Property and Equipment - Additional Information (Details) Details 49 false false R50.htm 100490 - Disclosure - Property and Equipment - Schedule of Property and Equipment (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosurePropertyAndEquipmentScheduleOfPropertyAndEquipmentDetails Property and Equipment - Schedule of Property and Equipment (Details) Details 50 false false R51.htm 100500 - Disclosure - Acquisitions - Additional Information (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureAcquisitionsAdditionalInformationDetails Acquisitions - Additional Information (Details) Details 51 false false R52.htm 100510 - Disclosure - Acquisitions - Summary of Allocation of Purchase Price for Acquired Identifiable Assets, Liabilities Assumed and Goodwill (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureAcquisitionsSummaryOfAllocationOfPurchasePriceForAcquiredIdentifiableAssetsLiabilitiesAssumedAndGoodwillDetails Acquisitions - Summary of Allocation of Purchase Price for Acquired Identifiable Assets, Liabilities Assumed and Goodwill (Details) Details 52 false false R53.htm 100520 - Disclosure - Acquisitions - Summary of Unaudited Pro Forma Information (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureAcquisitionsSummaryOfUnauditedProFormaInformationDetails Acquisitions - Summary of Unaudited Pro Forma Information (Details) Details 53 false false R54.htm 100530 - Disclosure - Acquisitions - Summary of Consideration Paid and Amounts of Estimated Fair Value of Assets Acquired and Liabilities Assumed (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureAcquisitionsSummaryOfConsiderationPaidAndAmountsOfEstimatedFairValueOfAssetsAcquiredAndLiabilitiesAssumedDetails Acquisitions - Summary of Consideration Paid and Amounts of Estimated Fair Value of Assets Acquired and Liabilities Assumed (Details) Details 54 false false R55.htm 100540 - Disclosure - Goodwill - Schedule of Changes In Goodwill (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureGoodwillScheduleOfChangesInGoodwillDetails Goodwill - Schedule of Changes In Goodwill (Details) Details 55 false false R56.htm 100550 - Disclosure - Intangible Assets - Summary of Acquired Intangible Assets (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureIntangibleAssetsSummaryOfAcquiredIntangibleAssetsDetails Intangible Assets - Summary of Acquired Intangible Assets (Details) Details 56 false false R57.htm 100560 - Disclosure - Intangible Assets - Additional Information (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureIntangibleAssetsAdditionalInformationDetails Intangible Assets - Additional Information (Details) Details 57 false false R58.htm 100570 - Disclosure - Intangible Assets - Schedule of Estimated Annual Amortization of Intangible Assets (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureIntangibleAssetsScheduleOfEstimatedAnnualAmortizationOfIntangibleAssetsDetails Intangible Assets - Schedule of Estimated Annual Amortization of Intangible Assets (Details) Details 58 false false R59.htm 100580 - Disclosure - Long-term Notes Payable (including current portion) and Line of Credit - Additional Information (Details) Notes http://www.airgain.com/20171231/taxonomy/role/DisclosureLongTermNotesPayableIncludingCurrentPortionAndLineOfCreditAdditionalInformationDetails Long-term Notes Payable (including current portion) and Line of Credit - Additional Information (Details) Details http://www.airgain.com/20171231/taxonomy/role/DisclosureLongTermNotesPayableIncludingCurrentPortionAndLineOfCreditTables 59 false false R60.htm 100590 - Disclosure - Long-term Notes Payable (including current portion) and Line of Credit - Schedule of Remaining Principal Payment (Details) Notes http://www.airgain.com/20171231/taxonomy/role/DisclosureLongTermNotesPayableIncludingCurrentPortionAndLineOfCreditScheduleOfRemainingPrincipalPaymentDetails Long-term Notes Payable (including current portion) and Line of Credit - Schedule of Remaining Principal Payment (Details) Details http://www.airgain.com/20171231/taxonomy/role/DisclosureLongTermNotesPayableIncludingCurrentPortionAndLineOfCreditTables 60 false false R61.htm 100600 - Disclosure - Treasury Stock - Additional Information (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureTreasuryStockAdditionalInformationDetails Treasury Stock - Additional Information (Details) Details 61 false false R62.htm 100610 - Disclosure - Income Taxes - Schedule of Income Tax Provisions (Detail) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvisionsDetail Income Taxes - Schedule of Income Tax Provisions (Detail) Details 62 false false R63.htm 100620 - Disclosure - Income Taxes - Additional Information (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetails Income Taxes - Additional Information (Details) Details 63 false false R64.htm 100630 - Disclosure - Income Taxes - Schedule of Reconciliation of Income Tax Provision to Statutory Federal Income Tax Rate (Detail) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureIncomeTaxesScheduleOfReconciliationOfIncomeTaxProvisionToStatutoryFederalIncomeTaxRateDetail Income Taxes - Schedule of Reconciliation of Income Tax Provision to Statutory Federal Income Tax Rate (Detail) Details 64 false false R65.htm 100640 - Disclosure - Income Taxes - Deferred Income Tax Assets and Liabilities (Detail) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureIncomeTaxesDeferredIncomeTaxAssetsAndLiabilitiesDetail Income Taxes - Deferred Income Tax Assets and Liabilities (Detail) Details 65 false false R66.htm 100650 - Disclosure - Income Taxes - Summary of Reconciliation of Unrecognized Tax Benefit Activity (Detail) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureIncomeTaxesSummaryOfReconciliationOfUnrecognizedTaxBenefitActivityDetail Income Taxes - Summary of Reconciliation of Unrecognized Tax Benefit Activity (Detail) Details 66 false false R67.htm 100660 - Disclosure - Stockholders' Equity (Deficit) - Additional Information (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureStockholdersEquityDeficitAdditionalInformationDetails Stockholders' Equity (Deficit) - Additional Information (Details) Details http://www.airgain.com/20171231/taxonomy/role/DisclosureStockholdersEquityDeficitTables 67 false false R68.htm 100670 - Disclosure - Stockholders' Equity - Schedule of Common Stock Reserved for Future Issuance (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureStockholdersEquityScheduleOfCommonStockReservedForFutureIssuanceDetails Stockholders' Equity - Schedule of Common Stock Reserved for Future Issuance (Details) Details 68 false false R69.htm 100680 - Disclosure - Stockholders' Equity - Schedule of Common Stock Reserved for Future Issuance (Parenthetical) (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureStockholdersEquityScheduleOfCommonStockReservedForFutureIssuanceParentheticalDetails Stockholders' Equity - Schedule of Common Stock Reserved for Future Issuance (Parenthetical) (Details) Details 69 false false R70.htm 100690 - Disclosure - Preferred Redeemable Convertible Stock - Additional Information (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosurePreferredRedeemableConvertibleStockAdditionalInformationDetails Preferred Redeemable Convertible Stock - Additional Information (Details) Details 70 false false R71.htm 100700 - Disclosure - Preferred Redeemable Convertible Stock - Schedule of Preferred Redeemable Convertible Stock (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosurePreferredRedeemableConvertibleStockScheduleOfPreferredRedeemableConvertibleStockDetails Preferred Redeemable Convertible Stock - Schedule of Preferred Redeemable Convertible Stock (Details) Details 71 false false R72.htm 100710 - Disclosure - Stock Options - Additional Information (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureStockOptionsAdditionalInformationDetails Stock Options - Additional Information (Details) Details 72 false false R73.htm 100720 - Disclosure - Stock Options - Weighted Average Assumptions Used in Estimating Fair Value of Stock Options (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureStockOptionsWeightedAverageAssumptionsUsedInEstimatingFairValueOfStockOptionsDetails Stock Options - Weighted Average Assumptions Used in Estimating Fair Value of Stock Options (Details) Details 73 false false R74.htm 100730 - Disclosure - Stock Options - Summary of Outstanding Stock Option Activity (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureStockOptionsSummaryOfOutstandingStockOptionActivityDetails Stock Options - Summary of Outstanding Stock Option Activity (Details) Details 74 false false R75.htm 100740 - Disclosure - Commitments and Contingencies - Additional Information (Detail) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformationDetail Commitments and Contingencies - Additional Information (Detail) Details 75 false false R76.htm 100750 - Disclosure - Commitments and Contingencies - Schedule Future Minimum Lease Payments Under Operating Leases (Detail) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleFutureMinimumLeasePaymentsUnderOperatingLeasesDetail Commitments and Contingencies - Schedule Future Minimum Lease Payments Under Operating Leases (Detail) Details 76 false false R77.htm 100760 - Disclosure - Concentration of Credit Risk - Additional Information (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureConcentrationOfCreditRiskAdditionalInformationDetails Concentration of Credit Risk - Additional Information (Details) Details 77 false false R78.htm 100770 - Disclosure - Concentration of Credit Risk - Schedule of Concentration of Sales and Accounts Receivable (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureConcentrationOfCreditRiskScheduleOfConcentrationOfSalesAndAccountsReceivableDetails Concentration of Credit Risk - Schedule of Concentration of Sales and Accounts Receivable (Details) Details 78 false false R79.htm 100780 - Disclosure - Concentration of Credit Risk - Schedule of Revenue by Geography (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureConcentrationOfCreditRiskScheduleOfRevenueByGeographyDetails Concentration of Credit Risk - Schedule of Revenue by Geography (Details) Details 79 false false R80.htm 100790 - Disclosure - Related-Party Transactions - Additional Information (Detail) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetail Related-Party Transactions - Additional Information (Detail) Details 80 false false R81.htm 100800 - Disclosure - Subsequent Events - Additional Information (Details) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetails Subsequent Events - Additional Information (Details) Details 81 false false R82.htm 100810 - Disclosure - Quarterly Financial Information (unaudited) - Summary of Quarterly Results of Operations (Detail) Sheet http://www.airgain.com/20171231/taxonomy/role/DisclosureQuarterlyFinancialInformationUnauditedSummaryOfQuarterlyResultsOfOperationsDetail Quarterly Financial Information (unaudited) - Summary of Quarterly Results of Operations (Detail) Details http://www.airgain.com/20171231/taxonomy/role/DisclosureQuarterlyFinancialInformationUnauditedTables 82 false false All Reports Book All Reports airg-20171231.xml airg-20171231.xsd airg-20171231_cal.xml airg-20171231_def.xml airg-20171231_lab.xml airg-20171231_pre.xml http://fasb.org/us-gaap/2017-01-31 http://xbrl.sec.gov/dei/2014-01-31 http://xbrl.sec.gov/stpr/2011-01-31 http://xbrl.sec.gov/country/2017-01-31 true true