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Collaborative Arrangement - Additional Information (Detail) (License and Collaboration Agreement with Sanofi, USD $) | 0 Months Ended | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 23, 2014 | Aug. 11, 2014 | Sep. 30, 2014 | Dec. 31, 2014 | Sep. 23, 2014 | Aug. 11, 2014
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |
Up-front fee |  |  | $ 150,000,000 mnkd_UpfrontFee |  |  |
Potential milestone payment |  | 775,000,000 mnkd_PotentialMilestonePayments |  | 725,000,000 mnkd_PotentialMilestonePayments |  | 775,000,000 mnkd_PotentialMilestonePayments
Profits and losses sharing percentage |  | 35.00%mnkd_ProfitLossSharingAgreementAllocationPercentage |  | 35.00%mnkd_ProfitLossSharingAgreementAllocationPercentage |  |
Maximum secured loan facility | 175,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity |  |  |  | 175,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity |
Senior notes, effective interest rate | 8.50%us-gaap_DebtInstrumentInterestRateStatedPercentage |  |  |  | 8.50%us-gaap_DebtInstrumentInterestRateStatedPercentage |
Prepayment of loan percentage of net cash proceeds sale | 100.00%mnkd_PercentageOfNetProceedFromSaleOfNotes |  |  |  |  |
Deferred up-front Payment |  |  |  | 150,000,000 us-gaap_DeferredRevenue |  |
Sanofi-Aventis Deutschland GmbH |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |
Profits and losses sharing percentage |  | 65.00%mnkd_ProfitLossSharingAgreementAllocationPercentage / us-gaap_RelatedPartyTransactionAxis = mnkd_SanofiAventisMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember |  | 65.00%mnkd_ProfitLossSharingAgreementAllocationPercentage / us-gaap_RelatedPartyTransactionAxis = mnkd_SanofiAventisMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember |  |
Maximum secured loan facility |  |  |  | 175,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_RelatedPartyTransactionAxis = mnkd_SanofiAventisMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember |  |
Deferred up-front Payment |  |  |  | 150,000,000 us-gaap_DeferredRevenue / us-gaap_RelatedPartyTransactionAxis = mnkd_SanofiAventisMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember |  |
Collaboration revenue recognized |  |  |  | 0 us-gaap_RecognitionOfDeferredRevenue / us-gaap_RelatedPartyTransactionAxis = mnkd_SanofiAventisMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember |  |
Milestone receivable |  |  |  | 50,000,000 mnkd_PotentialMilestonePaymentsToBeReceived / us-gaap_RelatedPartyTransactionAxis = mnkd_SanofiAventisMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember |  |
Secured loan facility, amount borrowed |  |  |  | 3,000,000 us-gaap_LongTermLoansPayable / us-gaap_RelatedPartyTransactionAxis = mnkd_SanofiAventisMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember |  |
Loss sharing amount |  |  |  | 3,000,000 mnkd_LossSharingAgreementAmount / us-gaap_RelatedPartyTransactionAxis = mnkd_SanofiAventisMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember |  |
Development and Manufacturing Milestone Events |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |
Potential milestone payment |  | 75,000,000 mnkd_PotentialMilestonePayments / mnkd_MilestoneEventsAxis = mnkd_DevelopmentAndManufacturingMilestoneEventsMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember |  |  |  | 75,000,000 mnkd_PotentialMilestonePayments / mnkd_MilestoneEventsAxis = mnkd_DevelopmentAndManufacturingMilestoneEventsMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember
Milestone payments earned |  |  |  | 50,000,000 us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized / mnkd_MilestoneEventsAxis = mnkd_DevelopmentAndManufacturingMilestoneEventsMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember |  |
Regulatory Approvals |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |
Potential milestone payment |  | 50,000,000 mnkd_PotentialMilestonePayments / mnkd_MilestoneEventsAxis = mnkd_FilingAndCompletionOfRegulatoryApprovalsMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember |  |  |  | 50,000,000 mnkd_PotentialMilestonePayments / mnkd_MilestoneEventsAxis = mnkd_FilingAndCompletionOfRegulatoryApprovalsMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember
Product Sales Milestones |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |
Potential milestone payment |  | $ 650,000,000 mnkd_PotentialMilestonePayments / mnkd_MilestoneEventsAxis = mnkd_AchievementOfProductSalesMilestoneMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember |  |  |  | $ 650,000,000 mnkd_PotentialMilestonePayments / mnkd_MilestoneEventsAxis = mnkd_AchievementOfProductSalesMilestoneMember / us-gaap_TypeOfArrangementAxis = mnkd_CollaborationAndLicenseAgreementMember

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- Definition Loss Sharing Agreement, Amount + References No definition available. + Details
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- Definition Percentage of Net Proceed From Sale of Notes + References No definition available. + Details
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Balance Type: | na
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- Definition Potential Milestone Payments + References No definition available. + Details
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Balance Type: | credit
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- Definition Potential Milestone Payments To Be Received + References No definition available. + Details
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- Definition Profit Loss Sharing Agreement Allocation Percentage + References No definition available. + Details
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- Definition Upfront Fee + References No definition available. + Details
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- Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 13 -Section A Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 13.A.4(a).Q1 Response) -URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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- Definition The amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. For cash flows, this element primarily pertains to amortization of deferred credits on long-term arrangements. As a noncash item, it is deducted from net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 13.A.4(a).Q1) -URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 13 -Section A -Subsection 1 + Details
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- Definition The amount of consideration recognized during the period for the milestone or milestones. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 28 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=19771982&loc=SL6892177-166501 + Details
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