Collaboration and License Agreements - Additional Information (Detail) |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|---|
|
Jun. 30, 1998
USD ($)
|
Jun. 30, 2016
USD ($)
|
Jun. 30, 2015
USD ($)
|
Jun. 30, 2016
USD ($)
Agreement
|
Jun. 30, 2015
USD ($)
|
|
| DiaTex, Inc. [Member] | |||||
| Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] | |||||
| License agreement date | Jun. 30, 1998 | ||||
| Monthly license fees | $ 2,000 | ||||
| Potential future development payments | $ 800,000 | ||||
| Development payment | $ 0 | $ 0 | $ 0 | $ 0 | |
| Royalty payment | $ 0 | $ 0 | $ 0 | $ 0 | |
| Janssen Pharmaceutical NV [Member] | Maximum [Member] | |||||
| Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] | |||||
| Percentage of royalty on net sales | 8.00% | ||||
| Janssen Pharmaceuticals, Inc. [Member] | |||||
| Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] | |||||
| License agreement date | Jun. 30, 2010 | ||||
| Number of development and license agreements | Agreement | 2 | ||||