Earnings per Share - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Numerator:
NET LOSS	$ (317)	$ (858)
Denominator:
Common shares outstanding	17,617	17,056
Net Loss per common share - basic
Basic	$ (0.02)	$ (0.05)
Weighted Average Shares:
Common shares outstanding	17,617	17,056
Total shares	17,617	17,056
Loss per common share - diluted
Net loss	$ (0.02)	$ (0.05)