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State Research and Development Credit Exchange Receivable - Additional Information (Detail) (USD $) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2013 | Dec. 31, 2012
Accounts and Other Receivables [Line Items] |  |
Percentage of credit exchange receivable | 65.00% |
Prepaid and other current assets under credit exchange program | $ 450,000 | $ 450,000
Estimated amounts receivable under program | $ 470,000 | $ 313,000

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- Details
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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
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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
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Namespace Prefix: | mnkd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Prepaid and other current assets under credit exchange program. + References No definition available. + Details
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Namespace Prefix: | mnkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant