Related Party Transactions - Additional Information (Detail) - Allergan [Member] - USD ($) $ / shares in Units, shares in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2013 |
Dec. 31, 2014 |
Mar. 07, 2014 |
|
| Related Party Transaction [Line Items] | ||||
| Percentage of ownership of outstanding common stock | 11.50% | |||
| Number of shares repurchased | 1.4 | |||
| Number of shares repurchased price per share | $ 6.08 | |||
| Percentage of closing price discount on share repurchase | 10.75% | |||
| Purchase price | $ 8,500,000 | |||
| Amounts due to related parties | 0 | $ 0 | ||
| Amounts due from related parties | $ 0 | $ 0 | ||
| Other revenues | $ 300,000 | |||
| CRINONE Royalties [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| Percentage of royalties received | 10.00% | |||
| Annual net sales | 15.00% | |||
| Percentage of royalties received for sales between range | 20.00% | |||
| Condition one for royalties received | $ 150,000,000 | |||
| Condition two for royalties received | $ 250,000,000 | |||