Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Detail)

v3.20.1
Stock-Based Compensation - Summary of Stock Option Activity (Detail)
3 Months Ended
Mar. 31, 2020
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Options Exercisable, Beginning Balance | shares 1,789,567
Options Exercisable, Ending Balance | shares 1,890,357
Weighted-Average Exercise Price Per Share, Beginning Balance | $ / shares $ 8.73
Weighted-Average Exercise Price Per Share, Ending Balance | $ / shares $ 8.97
Options Outstanding, Beginning Balance | shares 4,481,359
Options Outstanding, Granted | shares 60,000
Options Outstanding, Forfeited or expired | shares (235,894)
Options Outstanding, Ending Balance | shares 4,305,465
Weighted-Average Exercise Price Per Share, Beginning Balance | $ / shares $ 11.73
Weighted-Average Exercise Price Per Share, Granted | $ / shares 7.30
Weighted-Average Exercise Price Per Share, Forfeited or expired | $ / shares 15.61
Weighted-Average Exercise Price Per Share, Ending Balance | $ / shares $ 11.46