9. Income per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Numerator:
Net income (numerator for basis and diluted earnings per share)	$ 719	$ 212	$ 2,597	$ 829
Denominator:
Denominator for basic earnings per share weighted average shares	13,741,170	13,718,396	13,735,361	13,699,355
Effect of dilutive securities:
Options	95,134	75,880	89,895	158,392
Denominator
Denominator for diluted earnings per share weighted average shares	13,836,303	13,794,276	13,825,255	13,857,746
Basic income per share	$ 0.05	$ 0.02	$ 0.19	$ 0.06
Diluted income per share	$ 0.05	$ 0.02	$ 0.19	$ 0.06