Earning Per Share - Summary of Composition of Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net income	$ 289	$ 4,193
Basic weighted average common shares outstanding	6,879,658	5,691,686
Net effect of dilutive stock options and warrants	370,805	0
Diluted weighted average common shares outstanding	7,250,463	5,691,686
Basic	$ 0.04	$ 0.74
Diluted	$ 0.04	$ 0.74