Inventories, Net - Schedule of Inventories, Net (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Inventory Disclosure [Abstract] | ||
| Raw materials | $ 2,807 | $ 3,393 |
| Work in process | 9,346 | 10,271 |
| Finished products | 2,945 | 3,199 |
| Total | $ 15,098 | $ 16,863 |