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v3.3.0.814

Commitment - Additional Information (Detail) |  |  | 9 Months Ended
--- | --- | --- | ---
Oct. 27, 2015 | Oct. 26, 2015 | Sep. 30, 2015
Commitment And Contingencies [Line Items] |  |  |
Lease amendment date |  |  | Oct. 27, 2015
Subsequent Event [Member] |  |  |
Commitment And Contingencies [Line Items] |  |  |
Lease termination date | Dec. 31, 2020 | Dec. 31, 2016 |

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- Definition Commitment And Contingencies [Line Items] + References No definition available. + Details
Name: | pulm_CommitmentAndContingenciesLineItems
Namespace Prefix: | pulm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Operating lease agreement amended date. + References No definition available. + Details
Name: | pulm_OperatingLeaseAgreementAmendedDate
Namespace Prefix: | pulm_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_LeaseExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |