Income (Loss) per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Numerator:
Net income (loss):	$ (2,566)	$ 790	$ (1,398)	$ (970)
Denominator:
Denominator for basic loss per share weighted average shares	16,795,356	12,505,096	14,307,847	12,518,587
Effect of dilutive securities:
Options and restricted stock units	0	12,397	0	0
Denominator for diluted loss per share weighted average shares	16,795,356,000	12,517,493,000	14,307,847,000	12,518,587,000
Basic income (loss) per share	$ (0.15)	$ 0.06	$ (0.10)	$ (0.08)
Diluted income (loss) per share	$ (0.15)	$ 0.06	$ (0.10)	$ (0.08)