Note Payable - Additional Information (Detail) - Secured Loan Facility [Member] - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
May. 29, 2015 |
Dec. 31, 2015 |
|
| Debt Instrument [Line Items] | ||
| Term of loan | 42 months | |
| Interest rate | 8.45% | |
| LIBOR floor rate | 0.50% | |
| Principal payment per month | $ 1.0 | |
| Closing fee from the prior loan | $ 0.4 | |
| Final payment fee rate | 2.75% | |
| Loan amount prepaid in the first year following execution of credit agreement | 5.00% | |
| Loan amount prepaid in each year thereafter | 3.00% | |
| Interest rate at period end | 8.95% | |
| Exit fee percentage recorded as deferred loan costs | 2.75% | |
| Mid Cap [Member] | ||
| Debt Instrument [Line Items] | ||
| Secured loan facility | 30.0 | |
| Net proceeds in aggregate amount | $ 20.1 | |
| Rate of interest applicable to obligations | 4.00% |