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Collaborative Arrangement - Additional Information (Detail) - Entity [Domain] $ in Thousands |  |  |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | ---
Aug. 10, 2015 USD ($) | Jul. 28, 2015 USD ($) | Sep. 23, 2014 USD ($) | Aug. 11, 2014 USD ($) | Mar. 31, 2015 USD ($) Contract | Sep. 30, 2014 USD ($) | Jun. 30, 2015 USD ($)
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |
Deferred cost |  |  |  |  |  |  | $ 10,831
License and Collaboration Agreement with Sanofi |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |
Up-front fee |  |  |  |  |  | $ 150,000 |
Potential milestone payment |  |  |  | $ 725,000 |  |  | $ 725,000
Profits and losses sharing percentage |  |  |  | 35.00% |  |  | 35.00%
Maximum secured loan facility |  |  | $ 175,000 |  |  |  |
Senior notes, effective interest rate |  |  | 8.50% |  |  |  |
Prepayment of loan percentage of net cash proceeds sale |  |  | 100.00% |  |  |  |
License and Collaboration Agreement with Sanofi | Sanofi-Aventis Deutschland GmnH |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |
Profits and losses sharing percentage |  |  |  | 65.00% |  |  | 65.00%
Deferred revenue from collaboration product shipments |  |  |  |  |  |  | $ 150,000
Milestone receivable |  |  |  |  |  |  | 50,000
Deferred cost |  |  |  |  |  |  | 10,800
Loss sharing amount reclassified to loan facility and loss share obligation |  |  |  |  | $ 12,400 |  | 12,800
Maximum secured loan facility |  |  |  |  |  |  | 175,000
Secured loan facility, amount borrowed |  |  |  |  |  |  | 15,600
Paid-in-kind interest |  |  |  |  |  |  | 200
License and Collaboration Agreement with Sanofi | Sanofi-Aventis Deutschland GmnH | Subsequent Event |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |
Secured loan facility, amount borrowed |  | $ 12,800 |  |  |  |  |
Secured loan facility, amount owed | $ 28,400 |  |  |  |  |  |
Paid-in-kind interest | $ 200 |  |  |  |  |  |
License and Collaboration Agreement with Sanofi | Sanofi-Aventis Deutschland GmnH | AFREZZA product sales |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |
Deferred revenue from collaboration product shipments |  |  |  |  |  |  | $ 13,400
License and Collaboration Agreement with Sanofi | Manufacturing Milestone Events |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |
Milestone payments earned |  |  |  |  | $ 50,000 |  |
Number of milestones achieved | Contract |  |  |  |  | 2 |  |
License and Collaboration Agreement with Sanofi | Development Milestone Event |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |
Potential milestone payment |  |  |  | $ 25,000 |  |  |
License and Collaboration Agreement with Sanofi | Regulatory Approvals |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |
Potential milestone payment |  |  |  | 50,000 |  |  |
License and Collaboration Agreement with Sanofi | Product Sales Milestones |  |  |  |  |  |  |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |
Potential milestone payment |  |  |  | $ 650,000 |  |  |

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