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Facility Agreement - Additional Information (Detail) (USD $) | 0 Months Ended | 12 Months Ended | 0 Months Ended |  |  |  |  |
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Dec. 20, 2012 | Oct. 18, 2012 | Dec. 31, 2014 | Dec. 30, 2014 | Jul. 01, 2013 Tranche | Feb. 28, 2014 | Dec. 31, 2013 | Mar. 31, 2014 | Apr. 30, 2014 | Sep. 23, 2014 | May 06, 2014
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Facility Agreement, payment commencing date |  |  | Jul. 01, 2016 |  |  |  |  |  |  |  |
Facility Agreement, payment ending date |  |  | Dec. 09, 2019 |  |  |  |  |  |  |  |
Facility Agreement, total principle payment |  |  | $ 80,000,000 us-gaap_LineOfCredit |  |  |  |  |  |  |  |
Facility Agreement, total principle payment in 2015 |  |  | 0 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths |  |  |  |  |  |  |  |
Facility Agreement, total principle payment in 2016 |  |  | 5,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo |  |  |  |  |  |  |  |
Facility Agreement, total principle payment in 2017 |  |  | 20,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree |  |  |  |  |  |  |  |
Facility Agreement, total principle payment in 2018 |  |  | 20,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour |  |  |  |  |  |  |  |
Facility Agreement, total principle payment in 2019 |  |  | 35,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive |  |  |  |  |  |  |  |
Short term liability |  |  | 72,995,000 us-gaap_OtherLongTermDebtCurrent |  |  |  | 102,300,000 us-gaap_OtherLongTermDebtCurrent |  |  |  |
Commitment asset |  |  |  |  |  |  | 5,200,000 mnkd_LoanCommitmentAsset |  |  |  |
Discount rate | 1.50%us-gaap_FairValueInputsDiscountRate | 2.30%us-gaap_FairValueInputsDiscountRate |  |  |  |  |  |  |  |  |
Funding remaining under the facility agreement |  |  | 30,100,000 us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity |  |  |  |  |  |  |  |
Due to Deerfield's commitment to lend additional funds under the Tranche B notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Commitment asset fair value increase (decrease) |  |  | 2,900,000 mnkd_IncreaseDecreaseInLoanCommitmentAsset / mnkd_CommitmentsAxis = mnkd_CommitmentFeeOneMember |  |  |  |  |  |  |  |
Due to the issuance of Tranche 4 notes and Tranche B notes |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Commitment asset fair value increase (decrease) |  |  | (6,300,000)mnkd_IncreaseDecreaseInLoanCommitmentAsset / mnkd_CommitmentsAxis = mnkd_CommitmentFeeTwoMember |  |  |  |  |  |  |  |
Senior convertible notes due December 31, 2019 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Commitment asset at fair value |  |  |  |  | 2,900,000 mnkd_LoanCommitmentAssetFairValue / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |
Senior convertible notes due December 31, 2019 | Less portion of commitment asset |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Commitment Asset written off |  |  |  | 1,800,000 mnkd_LoanCommitmentAssetWriteOff / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |
Senior convertible notes due December 31, 2019 | Less portion of commitment asset | Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Funding remaining under the facility agreement |  |  |  | 70,000,000 us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |
Deerfield | Milestone Rights Liability | Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Contingent liability for milestone payments |  |  |  |  | 90,000,000 mnkd_ContingentLiability / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |
Deerfield | Senior convertible notes due December 31, 2019 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amount borrowed |  |  | 180,000,000 us-gaap_LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Aggregate principal amount of convertible notes |  |  | 93,500,000 mnkd_DebtInstrumentContingentConvertibleAmount / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  | 60,000,000 mnkd_DebtInstrumentContingentConvertibleAmount / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember | 6,500,000 mnkd_DebtInstrumentContingentConvertibleAmount / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |
Expense recorded for the difference between the principal and carrying amount of the notes converted |  |  | 6,400,000 mnkd_DebtExpense / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Debt facility principal amount |  |  | 60,000,000 us-gaap_DebtInstrumentFaceAmount / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Senior notes, effective interest rate |  |  | 975.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Commitment asset at fair value |  |  | 0 mnkd_LoanCommitmentAssetFairValue / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Common shares issued upon conversion |  |  | 17,323,080 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Deerfield | Senior convertible notes due December 31, 2019 | Additional Debt |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Expense recorded for the difference between the principal and carrying amount of the notes converted |  |  | 6,800,000 mnkd_DebtExpense / mnkd_DebtInstrumentConditionAxis = mnkd_AdditionalDebtMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Deerfield | Senior convertible notes due December 31, 2019 | Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common shares issuable upon conversion |  |  |  |  |  | 12,000,000 mnkd_CommonSharesIssuableUponConversionOfConvertibleDebt / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |
Deerfield | Senior convertible notes due December 31, 2019 | Notes Issued in Four Equal Tranches |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt facility principal amount |  |  |  |  | 160,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_CreditFacilityAxis = mnkd_NotesIssuedInFourEqualTranchesMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |
Senior notes, effective interest rate |  |  |  |  | 9.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_CreditFacilityAxis = mnkd_NotesIssuedInFourEqualTranchesMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |
Number of equal tranches |  |  |  |  | 4 mnkd_NumberOfEqualTranches / us-gaap_CreditFacilityAxis = mnkd_NotesIssuedInFourEqualTranchesMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |
Debt facility periodic principal amount |  |  |  |  | 40,000,000 mnkd_DebtInstrumentAmountOfTranches / us-gaap_CreditFacilityAxis = mnkd_NotesIssuedInFourEqualTranchesMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |
Principal amount of notes purchased |  |  | 160,000,000 us-gaap_DebtInstrumentRepurchasedFaceAmount / us-gaap_CreditFacilityAxis = mnkd_NotesIssuedInFourEqualTranchesMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Deerfield | Senior convertible notes due December 31, 2019 | Tranche Three |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of convertible notes |  |  | 40,000,000 mnkd_DebtInstrumentContingentConvertibleAmount / us-gaap_CreditFacilityAxis = mnkd_TrancheThreeMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  | 40,000,000 mnkd_DebtInstrumentContingentConvertibleAmount / us-gaap_CreditFacilityAxis = mnkd_TrancheThreeMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |
Expense recorded for the difference between the principal and carrying amount of the notes converted |  |  | 2,200,000 mnkd_DebtExpense / us-gaap_CreditFacilityAxis = mnkd_TrancheThreeMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Amount of common shares issued upon conversion |  |  | 40,000,000 us-gaap_DebtConversionConvertedInstrumentAmount1 / us-gaap_CreditFacilityAxis = mnkd_TrancheThreeMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Deerfield | Senior convertible notes due December 31, 2019 | Tranche One |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of convertible notes |  |  | 20,000,000 mnkd_DebtInstrumentContingentConvertibleAmount / us-gaap_CreditFacilityAxis = mnkd_TrancheOneMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  | 12,500,000 mnkd_DebtInstrumentContingentConvertibleAmount / us-gaap_CreditFacilityAxis = mnkd_TrancheOneMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember | 7,500,000 mnkd_DebtInstrumentContingentConvertibleAmount / us-gaap_CreditFacilityAxis = mnkd_TrancheOneMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |
Expense recorded for the difference between the principal and carrying amount of the notes converted |  |  | 1,200,000 mnkd_DebtExpense / us-gaap_CreditFacilityAxis = mnkd_TrancheOneMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Amount of common shares issued upon conversion |  |  | 20,000,000 us-gaap_DebtConversionConvertedInstrumentAmount1 / us-gaap_CreditFacilityAxis = mnkd_TrancheOneMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Deerfield | Senior convertible notes due December 31, 2019 | Milestone Rights Liability |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Contingent liability for milestone payments |  |  | 1,900,000 mnkd_ContingentLiability / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Fair value of milestone rights |  |  | 16,300,000 us-gaap_OtherLongTermDebt / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  | 16,300,000 us-gaap_OtherLongTermDebt / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |
Short term liability |  |  | 3,100,000 us-gaap_OtherLongTermDebtCurrent / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  | 3,200,000 us-gaap_OtherLongTermDebtCurrent / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |
Long term liability |  |  | 13,100,000 us-gaap_OtherLongTermDebtNoncurrent / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  | 13,100,000 us-gaap_OtherLongTermDebtNoncurrent / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |
Current milestone rights liability in other current liabilities |  |  | 4,200,000 us-gaap_OtherDeferredCompensationArrangementsLiabilityCurrent / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Long-term milestone rights liability in other liabilities |  |  | 8,900,000 us-gaap_OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Discount rate |  |  |  |  | 17.50%us-gaap_FairValueInputsDiscountRate / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |
Risk premium |  |  |  |  | 5.00%us-gaap_FairValueInputsEntityCreditRisk / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |
Required payment pursuant to the terms of the Milestone Agreement |  |  | 5,000,000 mnkd_PaymentForContingentLiabilities / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Deerfield | Senior convertible notes due December 31, 2019 | Milestone Rights Liability | Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Contingent liability for milestone payments |  |  | 90,000,000 mnkd_ContingentLiability / us-gaap_CreditFacilityAxis = mnkd_MilestoneRightsLiabilityMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |  |  |  |
Deerfield | Senior convertible notes due December 31, 2019 | Tranche One and Tranche Three |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior notes, effective interest rate |  |  | 11.63%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_CreditFacilityAxis = mnkd_TrancheOneAndTrancheThreeMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Deerfield | Senior convertible notes due December 31, 2019 | Tranche Two |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of convertible notes |  |  | 33,500,000 mnkd_DebtInstrumentContingentConvertibleAmount / us-gaap_CreditFacilityAxis = mnkd_TrancheTwoMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Expense recorded for the difference between the principal and carrying amount of the notes converted |  |  | 3,000,000 mnkd_DebtExpense / us-gaap_CreditFacilityAxis = mnkd_TrancheTwoMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Deerfield | Senior convertible notes due December 31, 2019 | Less portion of commitment asset |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt facility principal amount |  |  | 20,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  |
Senior notes, effective interest rate |  |  | 875.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  | 9.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |
Principal amount of notes purchased |  |  | 20,000,000 us-gaap_DebtInstrumentRepurchasedFaceAmount / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |  |  |  | 20,000,000 us-gaap_DebtInstrumentRepurchasedFaceAmount / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember
Repayment as a percentage of original principal amount |  |  |  |  |  | 25.00%mnkd_RepaymentAsPercentageOfPrincipalAmount / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |  |  |  |  |
Debt instrument maturity date |  |  |  |  |  | Dec. 31, 2019 |  |  |  |  |
Maximum secured loan facility |  |  |  |  |  |  |  |  |  | 175,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember |
Commitment asset at fair value |  |  |  |  |  |  |  |  |  |  | 1,200,000 mnkd_LoanCommitmentAssetFairValue / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember
Deerfield | Senior convertible notes due December 31, 2019 | Less portion of commitment asset | If the Company enters into a collaboration with a third party to commercialize AFFREZZA |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Senior notes, effective interest rate |  |  |  |  |  |  |  |  |  | 8.75%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember / us-gaap_StatementScenarioAxis = mnkd_CollaborationAgreementWithThirdPartyMember |
Deerfield | Senior convertible notes due December 31, 2019 | Less portion of commitment asset | Maximum |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt facility principal amount |  |  |  |  |  | 90,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_CreditFacilityAxis = mnkd_TrancheBMember / dei_LegalEntityAxis = mnkd_DeerfieldManagementCompanyLpMember / us-gaap_LongtermDebtTypeAxis = mnkd_TwoThousandNineteenNotesMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |  |
Deerfield | Senior convertible notes due December 31, 2019 | Less portion of commitment asset | Minimum | Facility Agreement |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |
Available amount of credit facility under covenant restrictions |  |  | $ 25,000,000 mnkd_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 |  |  |  |  |  |  |  |

X
- Definition Common Shares Issuable upon Conversion of Convertible Debt + References No definition available. + Details
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- Definition Represents interest and the amortization and write-off of deferred financings costs incurred in the period on debt arrangements that was charged against earnings. + References No definition available. + Details
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- Definition Increase Decrease In Loan Commitment Asset + References No definition available. + Details
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- Definition The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + 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 Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + 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)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Face (par) amount of the original debt instrument that was repurchased. + References No definition available. + Details
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- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Risk associated with risk of default, credit spread risk and downgrade risk, expressed as a percentage, used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Date the first payment under the line of credit must be paid, in CCYY-MM-DD format. + 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 Date the credit facility terminates, in CCYY-MM-DD format. + 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 Maximum amount borrowed under the credit facility at any time during the period. + References No definition available. + 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 Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
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