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Summary of Significant Accounting Policies - Additional Information (Detail) € in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Jul. 18, 2014 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2016 EUR (€) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Jul. 01, 2013 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Deferred revenue |  | $ 3,419,000 |  |  |  |
Net revenue - commercial product sales |  | $ 1,895,000 |  |  |  |
Cash discount as incentive for prompt payment |  | 2.00% |  |  |  |
Deferred revenue from sale of raw insulin |  | $ 1,800,000 |  |  |  |
Deferred cost related to sale of raw insulin |  | $ 0 |  |  |  |
Maturity period of cash equivalents |  | 90 days or less at the time of purchase | 90 days or less at the time of purchase |  |  |
Inventory charge |  | $ 200,000 |  | $ 39,300,000 |  |
Percentage of credit exchange receivable |  | 65.00% | 65.00% |  |  |
Prepaid expenses and other current assets |  | $ 4,364,000 |  | 4,018,000 |  |
Other income (expense) |  | (597,000) |  | 1,366,000 | $ 1,679,000 |
Property and equipment impairment |  | 1,259,000 |  | 140,412,000 | 0 |
Purchase commitment obligation |  | 116,200,000 |  |  |  |
long term purchase commitment | € |  |  | € 93.0 |  |  |
Estimated amounts receivable under program |  | 246,000 |  | 743,000 | 816,000 |
Interest cost capitalized |  | 0 |  | 100,000 | 800,000 |
Third party logistics |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Deferred revenue |  | 1,600,000 |  |  |  |
Intellectual property |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Total consideration received | $ 9,300,000 |  |  |  |  |
Intellectual property sold, net | 7,900,000 |  |  |  |  |
Accrued expense associated with intellectual property | $ 1,400,000 |  |  |  |  |
Other income (expense) |  |  |  |  | $ 1,400,000 |
Certificates of Deposit |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Prepaid expenses and other current assets |  | 350,000 |  | 350,000 |  |
Sanofi-Aventis Deutschland GmbH |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
long term purchase commitment |  | 50,000,000 |  |  |  |
Deerfield | Milestone Rights Liability |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Long term liability |  | 8,900,000 |  |  |  |
Deerfield | Milestone Rights Liability | Senior convertible notes due December 31, 2019 |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Long term liability |  | 8,900,000 |  | $ 8,900,000 |  | $ 13,100,000
AFREZZA product sales |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Product sales revenue gross to net adjustments |  | $ 800,000 |  |  |  |
Product sales revenue gross to net adjustments percentage |  | 30.00% | 30.00% |  |  |
Minimum | AFREZZA product sales |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Sales return right following product expiration in months |  | 6 months | 6 months |  |  |
Maximum | AFREZZA product sales |  |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |
Sales return right following product expiration in months |  | 12 months | 12 months |  |  |

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