9. Income per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Numerator:
Net income from continuing operations numerator for basic and diluted earnings per share	$ (3,626)	$ 2,689
Denominator:
Denominator for basic earnings per share weighted average shares	13,624,649	13,734,873
Effect of dilutive securities:
Stock Options	0	88,118
Denominator
Denominator for diluted earnings per share weighted average shares	13,624,649	13,822,991
Basic income per share	$ (0.27)	$ .20
Diluted income per share	$ (0.27)	$ 0.19