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Stockholders' Equity - Summary of Stock Options Exercisable (Detail)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number outstanding (in shares) | shares 4,505,477
Aggregate Intrinsic Value | $ $ 479
$1.00 – 5.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, minimum (in dollars per share) $ 1.00
Range of exercise prices, maximum (in dollars per share) $ 5.00
Number outstanding (in shares) | shares 3,201,210
Weighted Average Remaining Contractual Life (Years) 7 years 7 days
Weighted average exercise price (in dollars per share) $ 3.61
$5.01 – 10.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, minimum (in dollars per share) 5.01
Range of exercise prices, maximum (in dollars per share) $ 10.00
Number outstanding (in shares) | shares 1,252,843
Weighted Average Remaining Contractual Life (Years) 7 years 1 month 6 days
Weighted average exercise price (in dollars per share) $ 6.06
$10.01 – 15.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, minimum (in dollars per share) 10.01
Range of exercise prices, maximum (in dollars per share) $ 15.00
Number outstanding (in shares) | shares 29,924
Weighted Average Remaining Contractual Life (Years) 3 years 1 month 20 days
Weighted average exercise price (in dollars per share) $ 13.09
$15.01 – 20.00  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, minimum (in dollars per share) 15.01
Range of exercise prices, maximum (in dollars per share) $ 20.00
Number outstanding (in shares) | shares 21,500
Weighted Average Remaining Contractual Life (Years) 2 years 9 months
Weighted average exercise price (in dollars per share) $ 16.47