Facility Agreement - Additional Information (Detail) (USD $)
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3 Months Ended |
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Mar. 31, 2015
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Mar. 31, 2014
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Dec. 31, 2014
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Jul. 01, 2013
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Debt Instrument [Line Items] |
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Short term liability |
$ 73,368,000us-gaap_OtherLongTermDebtCurrent |
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$ 72,995,000us-gaap_OtherLongTermDebtCurrent |
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Interest expense on notes |
9,622,000us-gaap_InterestExpenseDebt |
4,042,000us-gaap_InterestExpenseDebt |
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Deerfield |
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Debt Instrument [Line Items] |
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Principal repayment schedule, start date |
Jul. 01, 2016 |
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Principal repayment schedule, end date |
Dec. 09, 2019 |
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Deerfield | Milestone Rights Liability | Maximum |
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Debt Instrument [Line Items] |
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Contingent liability for milestone payments |
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90,000,000mnkd_ContingentLiability / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
Deerfield | Senior convertible notes due December 31, 2019 |
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Debt Instrument [Line Items] |
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Debt facility principal amount |
60,000,000us-gaap_DebtInstrumentFaceAmount / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |
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Senior notes, effective interest rate |
9.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |
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Deerfield | Senior convertible notes due December 31, 2019 | Milestone Rights Liability |
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Debt Instrument [Line Items] |
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Short term liability |
1,600,000us-gaap_OtherLongTermDebtCurrent / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |
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3,200,000us-gaap_OtherLongTermDebtCurrent / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |
Long term liability |
7,300,000us-gaap_OtherLongTermDebtNoncurrent / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |
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13,100,000us-gaap_OtherLongTermDebtNoncurrent / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |
Interest expense on notes |
5,800,000us-gaap_InterestExpenseDebt / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |
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Required payment pursuant to the terms of the Milestone Agreement |
10,000,000mnkd_PaymentForContingentLiabilities / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |
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Deerfield | Senior convertible notes due December 31, 2019 | Less portion of commitment asset |
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Debt Instrument [Line Items] |
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Debt facility principal amount |
20,000,000us-gaap_DebtInstrumentFaceAmount / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |
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Senior notes, effective interest rate |
8.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |
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Deerfield | Senior convertible notes due December 31, 2019 | Less portion of commitment asset | Minimum | Facility Agreement |
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Debt Instrument [Line Items] |
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Available amount of credit facility under covenant restrictions |
$ 25,000,000mnkd_LineOfCreditFacilityRestrictedBorrowingCapacity / mnkd_AgreementsAxis = mnkd_FacilityAgreementMember / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
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