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Commitments and Contingencies - Additional Information (Detail) € in Millions, $ in Millions | Jul. 31, 2014 EUR (€) | Jul. 01, 2013 USD ($)
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Commitments and Contingencies [Line Items] |  |
Purchase commitment amount under Insulin Supply Agreement | € | € 120.1 |
Deerfield | Milestone Rights Liability | Maximum |  |
Commitments and Contingencies [Line Items] |  |
Contingent liability for milestone payments |  | $ 90.0

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- Definition Commitments and Contingencies [Line Items] + References No definition available. + Details
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Namespace Prefix: | mnkd_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Contingent Liability + 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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- Definition The minimum amount the entity agreed to spend under the long-term purchase commitment. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |