9. Income (Loss) per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Net income (loss) from continuing operations numerator for basic and diluted earnings per share	$ 248	$ (2,636)
Denominator:
Denominator for basic income (loss) per share weighted average shares	12,552,889	12,705,304
Effect of dilutive securities:
Stock Options	8,440	0
Denominator
Denominator for diluted earnings per share weighted average shares	12,561,329	12,705,304
Basic income (loss) per share	$ 0.02	$ (0.21)
Diluted income (loss) per share	$ 0.02	$ (0.21)