Income (Loss) per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Numerator:
Net loss	$ 1,696	$ (694)	$ (302)	$ (1,192)	$ 1,002	$ (1,494)
Denominator:
Denominator for basic loss per share weighted average shares	13,563,763		12,495,707		13,043,477	12,525,407
Effect of dilutive securities:
Options and restricted stock units	61,332,000				58,158,000
Denominator for diluted loss per share weighted average shares	13,625,095,000		12,495,707,000		13,101,635,000	12,525,407,000
Net loss per share-basic	$ 0.13		$ (0.02)		$ 0.08	$ (0.12)
Net loss per share-diluted	$ 0.12		$ (0.02)		$ 0.08	$ (0.12)