Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Employees purchased, value	$ 113	$ 106
Stock-based compensation expense	$ 2,033	$ 1,218
2019 Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Employees purchased, shares	16,450
Employees purchased, value	$ 100
Stock-based compensation expense	$ 100
Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting Period	4 years
Stock option expiration Period	10 years
Unrecognized compensation cost, stock options	$ 14,000
Unrecognized stock-based compensation expense, period for recognition	3 years 1 month 6 days
Number of Stock Options, Granted	1,020,427
Stock options granted, weighted-average exercise price	$ 6.91
Weighted-average grant date fair value of stock options granted	$ 6.06
Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation expense, period for recognition	8 months 12 days
Unvested restricted stock, shares	53,818
Unrecognized compensation expense	$ 200
Common stock issued as result of vesting of restricted stock	20,182
Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting Period	4 years
Unrecognized stock-based compensation expense, period for recognition	3 years 6 months
Unvested restricted stock, shares	446,837
Unrecognized compensation expense	$ 3,900
Common stock issued as result of vesting of restricted stock	40,091
Shares granted	255,000