Accrued Expenses - Accrued Expenses (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Payables and Accruals [Abstract] | ||
| Compensation and related taxes | $ 6,062 | $ 4,819 |
| Income and other taxes | 483 | 444 |
| Professional fees | 530 | 496 |
| Other | 1,762 | 1,720 |
| Total | $ 8,837 | $ 7,479 |