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State Research and Development Credit Exchange Receivable - Additional Information (Detail) (USD $) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Accounts and Other Receivables [Line Items] |  |  |
Percentage of credit exchange receivable | 65.00%mnkd_PercentageOfCreditExchangeReceivable |  |
Estimated amounts receivable under program | $ 816,000 mnkd_EstimatedAmountsCreditExchangeReceivable | $ 282,000 mnkd_EstimatedAmountsCreditExchangeReceivable | $ 289,000 mnkd_EstimatedAmountsCreditExchangeReceivable

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- Details
Name: | mnkd_AccountsAndOtherReceivablesLineItems
Namespace Prefix: | mnkd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Estimated amounts credit exchange receivable. + References No definition available. + Details
Name: | mnkd_EstimatedAmountsCreditExchangeReceivable
Namespace Prefix: | mnkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Percentage of credit exchange receivable. + References No definition available. + Details
Name: | mnkd_PercentageOfCreditExchangeReceivable
Namespace Prefix: | mnkd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration