2.4.0.8 Html 200 320 1 false 66 0 false 9 false false R1.htm 101 - Document - Document and Entity Information Sheet http://www.aradigm.com/taxonomy/role/DocumentandEntityInformation Document and Entity Information true false R2.htm 103 - Statement - Condensed Consolidated Balance Sheets Sheet http://www.aradigm.com/taxonomy/role/StatementOfFinancialPositionClassified Condensed Consolidated Balance Sheets false false R3.htm 104 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://www.aradigm.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical Condensed Consolidated Balance Sheets (Parenthetical) false false R4.htm 105 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss Sheet http://www.aradigm.com/taxonomy/role/StatementOfIncomeAlternative Condensed Consolidated Statements of Operations and Comprehensive Loss false false R5.htm 106 - Statement - Condensed Consolidated Statements of Cash Flows Sheet http://www.aradigm.com/taxonomy/role/StatementOfCashFlowsIndirect Condensed Consolidated Statements of Cash Flows false false R6.htm 107 - Statement - Consolidated Statements of Shareholders' Equity (Deficit) Sheet http://www.aradigm.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncome Consolidated Statements of Shareholders' Equity (Deficit) false false R7.htm 108 - Disclosure - Organization and Summary of Significant Accounting Policies Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock Organization and Summary of Significant Accounting Policies false false R8.htm 109 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock Summary of Significant Accounting Policies false false R9.htm 110 - Disclosure - Cash and Cash Equivalents and Short-term Investments Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsCashCashEquivalentsAndShortTermInvestmentsTextBlock Cash and Cash Equivalents and Short-term Investments false false R10.htm 111 - Disclosure - Fair Value Measurements Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsFairValueDisclosuresTextBlock Fair Value Measurements false false R11.htm 112 - Disclosure - Sublease Agreement and Lease Exit Liability Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsRestructuringAndRelatedActivitiesDisclosureTextBlock Sublease Agreement and Lease Exit Liability false false R12.htm 113 - Disclosure - Collaboration Agreement Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsCollaborationAgreementTextBlock Collaboration Agreement false false R13.htm 114 - Disclosure - Royalty Agreement, Note Payable and Accrued Interest Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsRoyaltyRevenueNotePayableAndAccruedInterestTextBlock Royalty Agreement, Note Payable and Accrued Interest false false R14.htm 115 - Disclosure - Stock-Based Compensation and Stock Options, Awards and Units Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock Stock-Based Compensation and Stock Options, Awards and Units false false R15.htm 116 - Disclosure - Net Loss Per Common Share Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlock Net Loss Per Common Share false false R16.htm 117 - Disclosure - Comprehensive Loss Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsComprehensiveIncomeNoteTextBlock Comprehensive Loss false false R17.htm 118 - Disclosure - Property and Equipment Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlock Property and Equipment false false R18.htm 119 - Disclosure - Other Liabilities Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsOtherLiabilitiesDisclosureTextBlock Other Liabilities false false R19.htm 120 - Disclosure - Leases, Commitments and Contingencies Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsCommitmentsAndContingenciesDisclosureTextBlock Leases, Commitments and Contingencies false false R20.htm 121 - Disclosure - Shareholders' Equity (Deficit) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsStockholdersEquityNoteDisclosureTextBlock Shareholders' Equity (Deficit) false false R21.htm 122 - Disclosure - Royalty Agreement Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsRoyaltyAgreementDisclosureTextBlock Royalty Agreement false false R22.htm 123 - Disclosure - Employee Benefit Plans Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsPensionAndOtherPostretirementBenefitsDisclosureTextBlock Employee Benefit Plans false false R23.htm 124 - Disclosure - Income Taxes Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlock Income Taxes false false R24.htm 125 - Disclosure - Quarterly Results of Operations (unaudited) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsQuarterlyFinancialInformationTextBlock Quarterly Results of Operations (unaudited) false false R25.htm 126 - Disclosure - Subsequent Events Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsSubsequentEventsTextBlock Subsequent Events false false R26.htm 127 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlockPolicies Summary of Significant Accounting Policies (Policies) false false R27.htm 128 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsFairValueDisclosuresTextBlockTables Fair Value Measurements (Tables) false false R28.htm 129 - Disclosure - Sublease Agreement and Lease Exit Liability (Tables) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsRestructuringAndRelatedActivitiesDisclosureTextBlockTables Sublease Agreement and Lease Exit Liability (Tables) false false R29.htm 130 - Disclosure - Shareholders' Equity (Deficit) (Tables) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsStockholdersEquityNoteDisclosureTextBlockTables Shareholders' Equity (Deficit) (Tables) false false R30.htm 131 - Disclosure - Stock-Based Compensation and Stock Options, Awards and Units (Tables) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlockTables Stock-Based Compensation and Stock Options, Awards and Units (Tables) false false R31.htm 132 - Disclosure - Net Loss Per Common Share (Tables) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsEarningsPerShareTextBlockTables Net Loss Per Common Share (Tables) false false R32.htm 133 - Disclosure - Comprehensive Loss (Tables) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsComprehensiveIncomeNoteTextBlockTables Comprehensive Loss (Tables) false false R33.htm 134 - Disclosure - Organization and Summary of Significant Accounting Policies (Tables) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlockTables Organization and Summary of Significant Accounting Policies (Tables) false false R34.htm 135 - Disclosure - Cash and Cash Equivalents and Short-term Investments (Tables) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsCashCashEquivalentsAndShortTermInvestmentsTextBlockTables Cash and Cash Equivalents and Short-term Investments (Tables) false false R35.htm 136 - Disclosure - Property and Equipment (Tables) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlockTables Property and Equipment (Tables) false false R36.htm 137 - Disclosure - Leases, Commitments and Contingencies (Tables) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsCommitmentsAndContingenciesDisclosureTextBlockTables Leases, Commitments and Contingencies (Tables) false false R37.htm 138 - Disclosure - Income Taxes (Tables) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlockTables Income Taxes (Tables) false false R38.htm 139 - Disclosure - Quarterly Results of Operations (unaudited) (Tables) Sheet http://www.aradigm.com/taxonomy/role/NotesToFinancialStatementsQuarterlyFinancialInformationTextBlockTables Quarterly Results of Operations (unaudited) (Tables) false false R39.htm 140 - Disclosure - Organization Basis of Presentation and Liquidity - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureOrganizationBasisOfPresentationAndLiquidityAdditionalInformation Organization Basis of Presentation and Liquidity - Additional Information (Detail) false false R40.htm 141 - Disclosure - Cash, Cash Equivalents and Short-Term Investments - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureCashCashEquivalentsAndShortTermInvestmentsAdditionalInformation Cash, Cash Equivalents and Short-Term Investments - Additional Information (Detail) false false R41.htm 142 - Disclosure - Summary of Assets Measured at Fair Value on a Recurring Basis (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureSummaryOfAssetsMeasuredAtFairValueOnARecurringBasis Summary of Assets Measured at Fair Value on a Recurring Basis (Detail) false false R42.htm 143 - Disclosure - Sublease Agreement and Lease Exit Liability - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureSubleaseAgreementAndLeaseExitLiabilityAdditionalInformation Sublease Agreement and Lease Exit Liability - Additional Information (Detail) false false R43.htm 144 - Disclosure - Sublease Agreement and Lease Exit Liability (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureSubleaseAgreementAndLeaseExitLiability Sublease Agreement and Lease Exit Liability (Detail) false false R44.htm 145 - Disclosure - Collaboration Agreement - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureCollaborationAgreementAdditionalInformation Collaboration Agreement - Additional Information (Detail) false false R45.htm 146 - Disclosure - Royalty Agreement, Note Payable and Accrued Interest - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureRoyaltyAgreementNotePayableAndAccruedInterestAdditionalInformation Royalty Agreement, Note Payable and Accrued Interest - Additional Information (Detail) false false R46.htm 147 - Disclosure - Stock-Based Compensation and Stock Options, Awards and Units - Schedule of Stock Based Compensation Expense (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureStockBasedCompensationAndStockOptionsAwardsAndUnitsScheduleOfStockBasedCompensationExpense Stock-Based Compensation and Stock Options, Awards and Units - Schedule of Stock Based Compensation Expense (Detail) false false R47.htm 148 - Disclosure - Stock-Based Compensation and Stock Options, Awards and Units - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureStockBasedCompensationAndStockOptionsAwardsAndUnitsAdditionalInformation Stock-Based Compensation and Stock Options, Awards and Units - Additional Information (Detail) false false R48.htm 149 - Disclosure - Stock-Based Compensation and Stock Options, Awards and Units - Schedule of Activity Under Stock Option Plan (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureStockBasedCompensationAndStockOptionsAwardsAndUnitsScheduleOfActivityUnderStockOptionPlan Stock-Based Compensation and Stock Options, Awards and Units - Schedule of Activity Under Stock Option Plan (Detail) false false R49.htm 150 - Disclosure - Stock-Based Compensation and Stock Options, Awards and Units - Schedule of Unvested Restricted Stock and Performance Bonus Stock Award (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureStockBasedCompensationAndStockOptionsAwardsAndUnitsScheduleOfUnvestedRestrictedStockAndPerformanceBonusStockAward Stock-Based Compensation and Stock Options, Awards and Units - Schedule of Unvested Restricted Stock and Performance Bonus Stock Award (Detail) false false R50.htm 151 - Disclosure - Net Loss Per Common Share - Schedule of Securities Excluded from Calculation of Diluted Net Loss per Common Share (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureNetLossPerCommonShareScheduleOfSecuritiesExcludedFromCalculationOfDilutedNetLossPerCommonShare Net Loss Per Common Share - Schedule of Securities Excluded from Calculation of Diluted Net Loss per Common Share (Detail) false false R51.htm 152 - Disclosure - Comprehensive Loss - Schedule of Comprehensive Loss and its Components (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureComprehensiveLossScheduleOfComprehensiveLossAndItsComponents Comprehensive Loss - Schedule of Comprehensive Loss and its Components (Detail) false false R52.htm 153 - Disclosure - Organization and Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesAdditionalInformation Organization and Summary of Significant Accounting Policies - Additional Information (Detail) false false R53.htm 154 - Disclosure - Organization and Summary of Significant Accounting Policies (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureOrganizationAndSummaryOfSignificantAccountingPolicies Organization and Summary of Significant Accounting Policies (Detail) false false R54.htm 155 - Disclosure - Summary of Potentially Dilutive Securities (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureSummaryOfPotentiallyDilutiveSecurities Summary of Potentially Dilutive Securities (Detail) false false R55.htm 156 - Disclosure - Summary of Cash and Cash Equivalents and Short-Term Investments (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureSummaryOfCashAndCashEquivalentsAndShortTermInvestments Summary of Cash and Cash Equivalents and Short-Term Investments (Detail) false false R56.htm 157 - Disclosure - Schedule of Property, Plant and Equipment (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureScheduleOfPropertyPlantAndEquipment Schedule of Property, Plant and Equipment (Detail) false false R57.htm 158 - Disclosure - Property and Equipment - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosurePropertyAndEquipmentAdditionalInformation Property and Equipment - Additional Information (Detail) false false R58.htm 159 - Disclosure - Other Liabilities - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureOtherLiabilitiesAdditionalInformation Other Liabilities - Additional Information (Detail) false false R59.htm 160 - Disclosure - Future minimum non-cancelable lease payments (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureFutureMinimumNoncancelableLeasePayments Future minimum non-cancelable lease payments (Detail) false false R60.htm 161 - Disclosure - Leases, Commitments and Contingencies - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureLeasesCommitmentsAndContingenciesAdditionalInformation Leases, Commitments and Contingencies - Additional Information (Detail) false false R61.htm 162 - Disclosure - Shareholders' Equity (Deficit) - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureShareholdersEquityDeficitAdditionalInformation Shareholders' Equity (Deficit) - Additional Information (Detail) false false R62.htm 163 - Disclosure - Summary of Stock Option Outstanding and Exercisable (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureSummaryOfStockOptionOutstandingAndExercisable Summary of Stock Option Outstanding and Exercisable (Detail) false false R63.htm 164 - Disclosure - Fair Value of Employee Stock Purchase Plan Using Black-Scholes Option Pricing Model and weighted Average Assumptions (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureFairValueOfEmployeeStockPurchasePlanUsingBlackScholesOptionPricingModelAndWeightedAverageAssumptions Fair Value of Employee Stock Purchase Plan Using Black-Scholes Option Pricing Model and weighted Average Assumptions (Detail) false false R64.htm 165 - Disclosure - Weighted Average Assumption for Employee and Non-Employee Option (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureWeightedAverageAssumptionForEmployeeAndNonEmployeeOption Weighted Average Assumption for Employee and Non-Employee Option (Detail) false false R65.htm 166 - Disclosure - Royalty Agreement - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureRoyaltyAgreementAdditionalInformation Royalty Agreement - Additional Information (Detail) false false R66.htm 167 - Disclosure - Employee Benefit Plans - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureEmployeeBenefitPlansAdditionalInformation Employee Benefit Plans - Additional Information (Detail) false false R67.htm 168 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation Income Taxes - Additional Information (Detail) false false R68.htm 169 - Disclosure - Deferred Tax Assets (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureDeferredTaxAssets Deferred Tax Assets (Detail) false false R69.htm 170 - Disclosure - Difference Between The Income Tax Benefit and The Amount Computed by Applying The Federal Statutory Income Tax Rate (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureDifferenceBetweenTheIncomeTaxBenefitAndTheAmountComputedByApplyingTheFederalStatutoryIncomeTaxRate Difference Between The Income Tax Benefit and The Amount Computed by Applying The Federal Statutory Income Tax Rate (Detail) false false R70.htm 171 - Disclosure - Quarterly Results of Operations (Detail) Sheet http://www.aradigm.com/taxonomy/role/DisclosureQuarterlyResultsOfOperations Quarterly Results of Operations (Detail) false false All Reports Book All Reports Element ardm_CollaborationRevenue had a mix of decimals attribute values: -5 -3. Element ardm_NotesPayableAndAccruedInterestNoncurrent had a mix of decimals attribute values: -5 -3. Element us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch had a mix of decimals attribute values: -5 -3. Element us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized had a mix of decimals attribute values: -5 0. Element us-gaap_IncomeTaxExpenseBenefit had a mix of decimals attribute values: -6 -3. Element us-gaap_ProceedsFromIssuanceOfCommonStock had a mix of decimals attribute values: -5 -3. Element us-gaap_ShareBasedCompensation had a mix of decimals attribute values: -3 0. Element us-gaap_StockIssuedDuringPeriodSharesNewIssues had a mix of decimals attribute values: -6 0. 'Monetary' elements on report '140 - Disclosure - Organization Basis of Presentation and Liquidity - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '143 - Disclosure - Sublease Agreement and Lease Exit Liability - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '145 - Disclosure - Collaboration Agreement - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '146 - Disclosure - Royalty Agreement, Note Payable and Accrued Interest - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '153 - Disclosure - Organization and Summary of Significant Accounting Policies - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '161 - Disclosure - Leases, Commitments and Contingencies - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '162 - Disclosure - Shareholders' Equity (Deficit) - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '166 - Disclosure - Royalty Agreement - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '168 - Disclosure - Income Taxes - Additional Information (Detail)' had a mix of different decimal attribute values. Process Flow-Through: 103 - Statement - Condensed Consolidated Balance Sheets Process Flow-Through: Removing column 'May 20, 2013' Process Flow-Through: Removing column 'Sep. 30, 2012' Process Flow-Through: Removing column 'Jun. 21, 2011' Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: 104 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Process Flow-Through: Removing column 'Jul. 15, 2013' Process Flow-Through: Removing column 'May 20, 2013' Process Flow-Through: 105 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2012' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2012' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2012' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2011' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2011' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2011' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2011' Process Flow-Through: 106 - Statement - Condensed Consolidated Statements of Cash Flows ardm-20130930.xml ardm-20130930.xsd ardm-20130930_cal.xml ardm-20130930_def.xml ardm-20130930_lab.xml ardm-20130930_pre.xml true true