Loss per Share - Computation of Basic and Diluted Loss Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net loss	$ (688)	$ (317)
Denominator:
Common shares outstanding	18,207,165	17,617,009
Net loss per common share - basic
Net loss	$ (0.04)	$ (0.02)
Weighted Average Shares:
Common shares outstanding	18,207,165	17,617,009
Total shares	18,207,165	17,617,009
Net loss per common share - diluted
Net loss	$ (0.04)	$ (0.02)