Loss Per Share - Summary of Basic and Diluted Loss Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Basic and diluted loss per share:
Net loss	$ (60,543)	$ (49,926)
Weighted average common shares outstanding - basic	42,601,745	42,529,017
Weighted average common shares outstanding - diluted	42,601,745	42,529,017
Basic loss per share	$ (1.42)	$ (1.17)
Diluted loss per share	$ (1.42)	$ (1.17)
Common share equivalents excluded due to anti-dilutive effect	50,901,006	49,018,827