Stock-based Compensation - Schedule of Restricted Stock Units ("RSU") Activity (Detail) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Weighted Average Grant Date Fair Value Per Share
Total unrecognized compensation cost related to unvested share-based compensation arrangements, recognition period	2 years 8 months 12 days
Restricted Stock Units
Number of Shares
Beginning balance - Outstanding (shares) | shares	29,087
Options granted in period (shares) | shares	130,175
Vested (shares) | shares	(10,335)
Forfeited (shares) | shares	(15,093)
Ending balance - Outstanding (shares) | shares	133,834
Weighted Average Grant Date Fair Value Per Share
Beginning balance - Outstanding (in dollars per share) | $ / shares	$ 9.52
Granted (in dollars per share) | $ / shares	7.83
Vested (in dollars per share) | $ / shares	10.60
Forfeited (in dollars per share) | $ / shares	7.85
Ending balance - Outstanding (in dollars per share) | $ / shares	$ 7.98
Vesting percentage	25.00%
Vesting period of options	4 years
Total unrecognized compensation cost related to unvested RSU share-based compensation | $	$ 0.8
Total unrecognized compensation cost related to unvested share-based compensation arrangements, recognition period	2 years 6 months