Loss per Share - Computation of Basic and Diluted Income Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
NET LOSS	$ (1,564)	$ (662)
Denominator:
Weighted shares outstanding - basic	17,971,851	18,069,836
Net loss per common share - basic	$ (0.09)	$ (0.04)
Weighted Average Shares:
Weighted shares outstanding - basic	17,971,851	18,069,836
Weighted shares outstanding - diluted	17,971,851	18,069,836
Net loss per common share - diluted	$ (0.09)	$ (0.04)
Restricted Stock [Member]
Weighted Average Shares:
Restricted shares subject to vesting	0	0