Employee Benefit Plan - Additional Information (Detail) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Defined Benefit Plan Disclosure [Line Items] | ||
| Eligible age for employees for participating in the plan | 21 years | |
| Company's contributions to employee benefit plan | $ 0 | $ 20,000 |
| Future | ||
| Defined Benefit Plan Disclosure [Line Items] | ||
| Company's contributions to employee benefit plan | $ 6,700 | |