8. Loss per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net loss (numerator for basic and diluted income per share)	$ (1,192)	$ (1,318)
Denominator:
Denominator for basic loss per share weighted average shares	12,555,108	12,761,713
Effect of dilutive securities:
Options and restricted stock units	0	0
Denominator
Denominator for diluted loss per share weighted average shares	12,555,108	12,761,713
Basic loss per share	$ (.09)	$ (.10)
Diluted loss per share	$ (0.09)	$ (0.10)