2.3.0.11 Html 119 209 1 false 43 0 false 4 true false R1.htm 0010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Sheet http://www.amagpharma.com/role/BalanceSheet CONDENSED CONSOLIDATED BALANCE SHEETS false false R2.htm 0015 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.amagpharma.com/role/BalanceSheetParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) false false R3.htm 0020 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.amagpharma.com/role/StatementOfIncome CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS false false R4.htm 0030 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS Sheet http://www.amagpharma.com/role/StatementOfComprehensiveLoss CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS false false R5.htm 0040 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.amagpharma.com/role/CashFlows CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS false false R6.htm 1010 - Disclosure - Description of Business Sheet http://www.amagpharma.com/role/DisclosureDescriptionOfBusiness Description of Business false false R7.htm 1020 - 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 R8.htm 1030 - Disclosure - Investments Sheet http://www.amagpharma.com/role/DisclosureInvestments Investments false false R9.htm 1040 - Disclosure - Accounts Receivable Sheet http://www.amagpharma.com/role/DisclosureAccountsReceivable Accounts Receivable false false R10.htm 1050 - Disclosure - Inventories Sheet http://www.amagpharma.com/role/DisclosureInventories Inventories false false R11.htm 1060 - Disclosure - Income Taxes Sheet http://www.amagpharma.com/role/DisclosureIncomeTaxes Income Taxes false false R12.htm 1070 - Disclosure - Net Loss per Share Sheet http://www.amagpharma.com/role/DisclosureNetLossPerShare Net Loss per Share false false R13.htm 1080 - Disclosure - Equity-Based Compensation Sheet http://www.amagpharma.com/role/DisclosureEquityBasedCompensation Equity-Based Compensation false false R14.htm 1090 - Disclosure - Commitments and Contingencies Sheet http://www.amagpharma.com/role/DisclosureCommitmentsAndContingencies Commitments and Contingencies false false R15.htm 1100 - Disclosure - Collaborative Agreements Sheet http://www.amagpharma.com/role/DisclosureCollaborativeAgreements Collaborative Agreements false false R16.htm 1110 - Disclosure - Restructuring Sheet http://www.amagpharma.com/role/DisclosureRestructuring Restructuring false false R17.htm 1120 - Disclosure - Recently Issued and Proposed Accounting Pronouncements Sheet http://www.amagpharma.com/role/DisclosureRecentlyIssuedAndProposedAccountingPronouncements Recently Issued and Proposed Accounting Pronouncements false false R18.htm 1130 - Disclosure - Subsequent Event Sheet http://www.amagpharma.com/role/DisclosureSubsequentEvent Subsequent Event false false R19.htm 2020 - 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 R20.htm 3020 - 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 R21.htm 3030 - Disclosure - Investments (Tables) Sheet http://www.amagpharma.com/role/DisclosureInvestmentsTables Investments (Tables) false false R22.htm 3040 - Disclosure - Accounts Receivable (Tables) Sheet http://www.amagpharma.com/role/DisclosureAccountsReceivableTables Accounts Receivable (Tables) false false R23.htm 3050 - Disclosure - Inventories (Tables) Sheet http://www.amagpharma.com/role/DisclosureInventoriesTables Inventories (Tables) false false R24.htm 3070 - Disclosure - Net Loss per Share (Tables) Sheet http://www.amagpharma.com/role/DisclosureNetLossPerShareTables Net Loss per Share (Tables) false false R25.htm 3080 - Disclosure - Equity-Based Compensation (Tables) Sheet http://www.amagpharma.com/role/DisclosureEquityBasedCompensationTables Equity-Based Compensation (Tables) false false R26.htm 3110 - Disclosure - Restructuring (Tables) Sheet http://www.amagpharma.com/role/DisclosureRestructuringTables Restructuring (Tables) false false R27.htm 4010 - Disclosure - Description of Business (Details) Sheet http://www.amagpharma.com/role/DisclosureDescriptionOfBusinessDetails Description of Business (Details) false false R28.htm 4020 - 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 R29.htm 4021 - 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 R30.htm 4023 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details 4) Sheet http://www.amagpharma.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesDetails4 Basis of Presentation and Summary of Significant Accounting Policies (Details 4) false false R31.htm 4030 - Disclosure - Investments (Details) Sheet http://www.amagpharma.com/role/DisclosureInvestmentsDetails Investments (Details) false false R32.htm 4031 - Disclosure - Investments (Details 2) Sheet http://www.amagpharma.com/role/DisclosureInvestmentsDetails2 Investments (Details 2) false false R33.htm 4040 - Disclosure - Accounts Receivable (Details) Sheet http://www.amagpharma.com/role/DisclosureAccountsReceivableDetails Accounts Receivable (Details) false false R34.htm 4050 - Disclosure - Inventories (Details) Sheet http://www.amagpharma.com/role/DisclosureInventoriesDetails Inventories (Details) false false R35.htm 4060 - Disclosure - Income Taxes (Details) Sheet http://www.amagpharma.com/role/DisclosureIncomeTaxesDetails Income Taxes (Details) false false R36.htm 4070 - Disclosure - Net Loss per Share (Details) Sheet http://www.amagpharma.com/role/DisclosureNetLossPerShareDetails Net Loss per Share (Details) false false R37.htm 4080 - Disclosure - Equity-Based Compensation (Details) Sheet http://www.amagpharma.com/role/DisclosureEquityBasedCompensationDetails Equity-Based Compensation (Details) false false R38.htm 4081 - Disclosure - Equity-Based Compensation (Details 2) Sheet http://www.amagpharma.com/role/DisclosureEquityBasedCompensationDetails2 Equity-Based Compensation (Details 2) false false R39.htm 4090 - Disclosure - Commitments and Contingencies (Details) Sheet http://www.amagpharma.com/role/DisclosureCommitmentsAndContingenciesDetails Commitments and Contingencies (Details) false false R40.htm 4100 - Disclosure - Collaborative Agreements (Details) Sheet http://www.amagpharma.com/role/DisclosureCollaborativeAgreementsDetails Collaborative Agreements (Details) false false R41.htm 4110 - Disclosure - Restructuring (Details) Sheet http://www.amagpharma.com/role/DisclosureRestructuringDetails Restructuring (Details) false false R42.htm 4130 - Disclosure - Subsequent Event (Details) Sheet http://www.amagpharma.com/role/DisclosureSubsequentEventDetails Subsequent Event (Details) false false R43.htm 9999 - Document - Document and Entity Information Sheet http://www.amagpharma.com/role/DocumentAndEntityInformation Document and Entity Information false false All Reports Book All Reports 'Monetary' elements on report '4023 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details 4)' had a mix of different decimal attribute values. 'Monetary' elements on report '4031 - Disclosure - Investments (Details 2)' had a mix of different decimal attribute values. 'Monetary' elements on report '4050 - Disclosure - Inventories (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '4081 - Disclosure - Equity-Based Compensation (Details 2)' had a mix of different decimal attribute values. 'Monetary' elements on report '4110 - Disclosure - Restructuring (Details)' had a mix of different decimal attribute values. Process Flow-Through: 0010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Process Flow-Through: Removing column 'Jun. 30, 2010' Process Flow-Through: Removing column 'Dec. 31, 2009' Process Flow-Through: 0015 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Process Flow-Through: 0020 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Process Flow-Through: 0030 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS Process Flow-Through: 0040 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS amag-20110630.xml amag-20110630.xsd amag-20110630_cal.xml amag-20110630_def.xml amag-20110630_lab.xml amag-20110630_pre.xml true true