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State Research and Development Credit Exchange Receivable - Additional Information (Detail) (USD $) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Accounts and Other Receivables [Line Items] |  |  |
Estimated amounts receivable under program | $ 289,000 | $ 609,000 | $ 385,000
Percentage of credit exchange receivable | 65.00% |  |

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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