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Accrued Expenses and Other Current Liabilities Additional Information (Detail) $ in Millions | Jun. 30, 2020 USD ($)
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Accrued Expenses And Other Current Liabilities [Abstract] |
Deferred social security taxes, CARES Act | $ 0.3

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- Definition Accrued expenses and other current liabilities. + References No definition available. + Details
Name: | mnkd_AccruedExpensesAndOtherCurrentLiabilitiesAbstract
Namespace Prefix: | mnkd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Deferred social security taxes CARES act. + References No definition available. + Details
Name: | mnkd_DeferredSocialSecurityTaxesCARESAct
Namespace Prefix: | mnkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant