2.4.1.9 Html 166 319 1 false 62 0 false 6 false false R1.htm 00090 - Document - Document and Entity Information Sheet http://www.amagpharma.com/role/DocumentDocumentAndEntityInformation Document and Entity Information true false R2.htm 00100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Sheet http://www.amagpharma.com/role/StatementCondensedConsolidatedBalanceSheets CONDENSED CONSOLIDATED BALANCE SHEETS false false R3.htm 00105 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.amagpharma.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) false false R4.htm 00200 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.amagpharma.com/role/StatementCondensedConsolidatedStatementsOfOperations CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS false false R5.htm 00300 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Sheet http://www.amagpharma.com/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncomeLoss CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) false false R6.htm 00400 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.amagpharma.com/role/StatementCondensedConsolidatedStatementsOfCashFlows CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS false false R7.htm 10101 - Disclosure - Description of Business Sheet http://www.amagpharma.com/role/DisclosureDescriptionOfBusiness Description of Business false false R8.htm 10201 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies Sheet http://www.amagpharma.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPolicies Basis of Presentation and Summary of Significant Accounting Policies false false R9.htm 10301 - Disclosure - Business Combinations Sheet http://www.amagpharma.com/role/DisclosureBusinessCombinations Business Combinations false false R10.htm 10401 - Disclosure - Investments Sheet http://www.amagpharma.com/role/DisclosureInvestments Investments false false R11.htm 10501 - Disclosure - Fair Value Measurements Sheet http://www.amagpharma.com/role/DisclosureFairValueMeasurements Fair Value Measurements false false R12.htm 10601 - Disclosure - Accounts Receivable, Net Sheet http://www.amagpharma.com/role/DisclosureAccountsReceivableNet Accounts Receivable, Net false false R13.htm 10701 - Disclosure - Inventories Sheet http://www.amagpharma.com/role/DisclosureInventories Inventories false false R14.htm 10801 - Disclosure - Goodwill, IPR&D and Other Intangible Assets, Net Sheet http://www.amagpharma.com/role/DisclosureGoodwillIprDAndOtherIntangibleAssetsNet Goodwill, IPR&D and Other Intangible Assets, Net false false R15.htm 10901 - Disclosure - Accrued Expenses Sheet http://www.amagpharma.com/role/DisclosureAccruedExpenses Accrued Expenses false false R16.htm 11001 - Disclosure - Income Taxes Sheet http://www.amagpharma.com/role/DisclosureIncomeTaxes Income Taxes false false R17.htm 11101 - Disclosure - Accumulated Other Comprehensive Income (Loss) Sheet http://www.amagpharma.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLoss Accumulated Other Comprehensive Income (Loss) false false R18.htm 11201 - Disclosure - Basic and Diluted Net Income (Loss) per Share Sheet http://www.amagpharma.com/role/DisclosureBasicAndDilutedNetIncomeLossPerShare Basic and Diluted Net Income (Loss) per Share false false R19.htm 11301 - Disclosure - Equity-Based Compensation Sheet http://www.amagpharma.com/role/DisclosureEquityBasedCompensation Equity-Based Compensation false false R20.htm 11401 - Disclosure - Stockholders' Equity Sheet http://www.amagpharma.com/role/DisclosureStockholdersEquity Stockholders' Equity false false R21.htm 11501 - Disclosure - Commitments and Contingencies Sheet http://www.amagpharma.com/role/DisclosureCommitmentsAndContingencies Commitments and Contingencies false false R22.htm 11601 - Disclosure - Collaborative Agreements Sheet http://www.amagpharma.com/role/DisclosureCollaborativeAgreements Collaborative Agreements false false R23.htm 11701 - Disclosure - Debt Sheet http://www.amagpharma.com/role/DisclosureDebt Debt false false R24.htm 11801 - Disclosure - Restructuring Sheet http://www.amagpharma.com/role/DisclosureRestructuring Restructuring false false R25.htm 11901 - Disclosure - Recently Issued and Proposed Accounting Pronouncements Sheet http://www.amagpharma.com/role/DisclosureRecentlyIssuedAndProposedAccountingPronouncements Recently Issued and Proposed Accounting Pronouncements false false R26.htm 20202 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies) Sheet http://www.amagpharma.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies Basis of Presentation and Summary of Significant Accounting Policies (Policies) false false R27.htm 30203 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Tables) Sheet http://www.amagpharma.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesTables Basis of Presentation and Summary of Significant Accounting Policies (Tables) false false R28.htm 30303 - Disclosure - Business Combination (Tables) Sheet http://www.amagpharma.com/role/DisclosureBusinessCombinationTables Business Combination (Tables) false false R29.htm 30403 - Disclosure - Investments (Tables) Sheet http://www.amagpharma.com/role/DisclosureInvestmentsTables Investments (Tables) false false R30.htm 30503 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.amagpharma.com/role/DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) false false R31.htm 30603 - Disclosure - Accounts Receivable, Net (Tables) Sheet http://www.amagpharma.com/role/DisclosureAccountsReceivableNetTables Accounts Receivable, Net (Tables) false false R32.htm 30703 - Disclosure - Inventories (Tables) Sheet http://www.amagpharma.com/role/DisclosureInventoriesTables Inventories (Tables) false false R33.htm 30803 - Disclosure - Goodwill, IRP&D and Other Intangible Assets, Net (Tables) Sheet http://www.amagpharma.com/role/DisclosureGoodwillIrpDAndOtherIntangibleAssetsNetTables Goodwill, IRP&D and Other Intangible Assets, Net (Tables) false false R34.htm 30903 - Disclosure - Accrued Expenses (Tables) Sheet http://www.amagpharma.com/role/DisclosureAccruedExpensesTables Accrued Expenses (Tables) false false R35.htm 31003 - Disclosure - Income Taxes (Tables) Sheet http://www.amagpharma.com/role/DisclosureIncomeTaxesTables Income Taxes (Tables) false false R36.htm 31103 - Disclosure - Accumulated Other Comprehensive (Loss) (Tables) Sheet http://www.amagpharma.com/role/DisclosureAccumulatedOtherComprehensiveLossTables Accumulated Other Comprehensive (Loss) (Tables) false false R37.htm 31203 - Disclosure - Basic and Diluted Net Income (Loss) per Share (Tables) Sheet http://www.amagpharma.com/role/DisclosureBasicAndDilutedNetIncomeLossPerShareTables Basic and Diluted Net Income (Loss) per Share (Tables) false false R38.htm 31303 - Disclosure - Equity-Based Compensation (Tables) Sheet http://www.amagpharma.com/role/DisclosureEquityBasedCompensationTables Equity-Based Compensation (Tables) false false R39.htm 31703 - Disclosure - Debt (Tables) Sheet http://www.amagpharma.com/role/DisclosureDebtTables Debt (Tables) false false R40.htm 31803 - Disclosure - Restructuring (Tables) Sheet http://www.amagpharma.com/role/DisclosureRestructuringTables Restructuring (Tables) false false R41.htm 40201 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details ) Sheet http://www.amagpharma.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesDetails Basis of Presentation and Summary of Significant Accounting Policies (Details ) false false R42.htm 40202 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details 2) Sheet http://www.amagpharma.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesDetails2 Basis of Presentation and Summary of Significant Accounting Policies (Details 2) false false R43.htm 40301 - Disclosure - Business Combination (Details) Sheet http://www.amagpharma.com/role/DisclosureBusinessCombinationDetails Business Combination (Details) false false R44.htm 40302 - Disclosure - Business Combination (Details 2) Sheet http://www.amagpharma.com/role/DisclosureBusinessCombinationDetails2 Business Combination (Details 2) false false R45.htm 40401 - Disclosure - Investments (Details) Sheet http://www.amagpharma.com/role/DisclosureInvestmentsDetails Investments (Details) false false R46.htm 40501 - Disclosure - Fair Value Measurements (Details) Sheet http://www.amagpharma.com/role/DisclosureFairValueMeasurementsDetails Fair Value Measurements (Details) false false R47.htm 40502 - Disclosure - Fair Value Measurements (Details 2) Sheet http://www.amagpharma.com/role/DisclosureFairValueMeasurementsDetails2 Fair Value Measurements (Details 2) false false R48.htm 40601 - Disclosure - Accounts Receivable, Net (Details) Sheet http://www.amagpharma.com/role/DisclosureAccountsReceivableNetDetails Accounts Receivable, Net (Details) false false R49.htm 40701 - Disclosure - Inventories (Details) Sheet http://www.amagpharma.com/role/DisclosureInventoriesDetails Inventories (Details) false false R50.htm 40801 - Disclosure - Goodwill, IPR&D and Other Intangible Assets, Net (Details) Sheet http://www.amagpharma.com/role/DisclosureGoodwillIprDAndOtherIntangibleAssetsNetDetails Goodwill, IPR&D and Other Intangible Assets, Net (Details) false false R51.htm 40901 - Disclosure - Acrued Expenses (Details) Sheet http://www.amagpharma.com/role/DisclosureAcruedExpensesDetails Acrued Expenses (Details) false false R52.htm 41001 - Disclosure - Income Taxes (Details) Sheet http://www.amagpharma.com/role/DisclosureIncomeTaxesDetails Income Taxes (Details) false false R53.htm 41101 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Details) Sheet http://www.amagpharma.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLossDetails Accumulated Other Comprehensive Income (Loss) (Details) false false R54.htm 41201 - Disclosure - Basic and Diluted Net Income (Loss) per Share (Details) Sheet http://www.amagpharma.com/role/DisclosureBasicAndDilutedNetIncomeLossPerShareDetails Basic and Diluted Net Income (Loss) per Share (Details) false false R55.htm 41301 - Disclosure - Equity-Based Compensation (Details) Sheet http://www.amagpharma.com/role/DisclosureEquityBasedCompensationDetails Equity-Based Compensation (Details) false false R56.htm 41302 - Disclosure - Equity-Based Compensation (Details 2) Sheet http://www.amagpharma.com/role/DisclosureEquityBasedCompensationDetails2 Equity-Based Compensation (Details 2) false false R57.htm 41303 - Disclosure - Equity-Based Compensation (Details 3) Sheet http://www.amagpharma.com/role/DisclosureEquityBasedCompensationDetails3 Equity-Based Compensation (Details 3) false false R58.htm 41401 - Disclosure - Stockholders' Equity (Details) Sheet http://www.amagpharma.com/role/DisclosureStockholdersEquityDetails Stockholders' Equity (Details) false false R59.htm 41501 - Disclosure - Commitments and Contingencies (Details) Sheet http://www.amagpharma.com/role/DisclosureCommitmentsAndContingenciesDetails Commitments and Contingencies (Details) false false R60.htm 41601 - Disclosure - Collaborative Agreements (Details) Sheet http://www.amagpharma.com/role/DisclosureCollaborativeAgreementsDetails Collaborative Agreements (Details) false false R61.htm 41701 - Disclosure - Debt (Details) Sheet http://www.amagpharma.com/role/DisclosureDebtDetails Debt (Details) false false R62.htm 41702 - Disclosure - Debt (Details 2) Sheet http://www.amagpharma.com/role/DisclosureDebtDetails2 Debt (Details 2) false false R63.htm 41801 - Disclosure - Restructuring (Details) Sheet http://www.amagpharma.com/role/DisclosureRestructuringDetails Restructuring (Details) false false R64.htm 41901 - Disclosure - Recently Issued and Proposed Accounting Pronouncements (Details) Sheet http://www.amagpharma.com/role/DisclosureRecentlyIssuedAndProposedAccountingPronouncementsDetails Recently Issued and Proposed Accounting Pronouncements (Details) false false All Reports Book All Reports Element amag_DebtInstrumentPrincipalAmountDenominatorForConversionIntoCommonStock had a mix of decimals attribute values: -3 0. Element us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent had a mix of decimals attribute values: -5 -3. Element us-gaap_ConvertibleDebtNoncurrent had a mix of decimals attribute values: -5 -3. Element us-gaap_DebtInstrumentPeriodicPayment had a mix of decimals attribute values: -5 -4. Element us-gaap_DeferredRevenueCurrent had a mix of decimals attribute values: -5 -3. Element us-gaap_InventoryWriteDown had a mix of decimals attribute values: -5 -3. Columns in Cash Flows statement 'CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)' have maximum duration 89 days and at least 39 values. Shorter duration columns must have at least one fourth (9) as many values. Column '3/1/2015 - 3/31/2015' is shorter (30 days) and has only 2 values, so it is being removed. 'Monetary' elements on report '40202 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details 2)' had a mix of different decimal attribute values. 'Monetary' elements on report '40301 - Disclosure - Business Combination (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '40401 - Disclosure - Investments (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '40502 - Disclosure - Fair Value Measurements (Details 2)' had a mix of different decimal attribute values. 'Monetary' elements on report '40701 - Disclosure - Inventories (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '40801 - Disclosure - Goodwill, IPR&D and Other Intangible Assets, Net (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41101 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41401 - Disclosure - Stockholders' Equity (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41601 - Disclosure - Collaborative Agreements (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41701 - Disclosure - Debt (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41702 - Disclosure - Debt (Details 2)' had a mix of different decimal attribute values. Process Flow-Through: 00100 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Process Flow-Through: Removing column 'Mar. 31, 2014' Process Flow-Through: Removing column 'Dec. 31, 2013' Process Flow-Through: 00105 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Process Flow-Through: 00200 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Process Flow-Through: 00300 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Process Flow-Through: 00400 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS amag-20150331.xml amag-20150331.xsd amag-20150331_cal.xml amag-20150331_def.xml amag-20150331_lab.xml amag-20150331_pre.xml true true