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Related-party arrangements (Details) (USD $) In Thousands, unless otherwise specified | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
May 31, 2012 | Sep. 30, 2012 | Jun. 27, 2012
Principal amount outstanding under loan arrangement sequent to completion of common stock purchase agreement |  |  |
Principal amount outstanding at December 31, 2011 |  | $ 277,203 |
Borrowings |  | 11,250 | 21,900
Capitalization of accrued and unpaid interest due and payable as of June 27, 2012 |  | 11,876 | 11,900
Reduction of principal indebtedness related to the issuance of common stock pursuant to common stock purchase agreement completed on June 27, 2012 | 200,000 | (77,187) |
Principal amount outstanding at Sep 30, 2012 |  | $ 223,142 |

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- Definition Accrued interest of related party debt. + References No definition available. + Details
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Namespace Prefix: | mnkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Available borrowings under the loan agreement. + References No definition available. + Details
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Namespace Prefix: | mnkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Related party transaction debt instrument prepayment minimum. + References No definition available. + Details
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Namespace Prefix: | mnkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Related party transaction principal amount outstanding under loan arrangement. + References No definition available. + Details
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Namespace Prefix: | mnkd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant