Stock-Based Awards - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | ||
---|---|---|---|
Jun. 20, 2016 |
Mar. 31, 2017 |
Mar. 31, 2016 |
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] | |||
Stock option issuance period | 10 years | ||
Option vested period | 1 year | ||
Option issued period | Options may be issued for terms of ten years | ||
Shares of common stock authorized to issue under equity award plan | 10,000,000 | ||
Description of new equity award plan | On June 20, 2016, the Company's stockholders approved a new equity award plan under which the Company can issue up to 10,000,000 shares of common stock (less one share for every share granted under prior plans since March 31, 2016 and inclusive of shares available under the prior plans as of March 31, 2016) in the form of stock options and other stock-based awards. | ||
Stock-based compensation expense | $ 3,421 | $ 3,503 |