Net Sales by Product (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
|
| Revenue from External Customer [Line Items] | ||||
| Product sales, net | $ 28,344 | $ 5,329 | $ 78,076 | $ 6,888 |
| HETLIOZ | ||||
| Revenue from External Customer [Line Items] | ||||
| Product sales, net | 11,682 | 5,222 | 29,159 | 6,781 |
| Fanapt | ||||
| Revenue from External Customer [Line Items] | ||||
| Product sales, net | $ 16,662 | $ 107 | $ 48,917 | $ 107 |