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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	$ 816,000mnkd_EstimatedAmountsCreditExchangeReceivable	$ 282,000mnkd_EstimatedAmountsCreditExchangeReceivable	$ 289,000mnkd_EstimatedAmountsCreditExchangeReceivable

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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

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

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