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Property and Equipment - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2013
Depreciation and Other Amortization Expenses [Line Items]
Amortization period of lease hold improvements	4 years

X

- Definition

Amortization period of lease hold improvements.

+ References

No definition available.

+ Details

Name:	mnkd_AmortizationPeriodOfLeaseHoldImprovements
Namespace Prefix:	mnkd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	mnkd_DepreciationAndOtherAmortizationExpensesLineItems
Namespace Prefix:	mnkd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration