9. Income per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Numerator:
Net income (numerator for basis and diluted earnings per share)	$ 1,365	$ 78	$ 1,878	$ 617
Denominator:
Denominator for basic earnings per share weighted average shares	13,734,286	13,707,716	13,732,424	13,689,676
Effect of dilutive securities:
Options	106,922	213,525	87,276	199,648
Denominator
Denominator for diluted earnings per share weighted average shares	13,841,208	13,921,241	13,819,700	13,889,324
Basic income per share	$ 0.10	$ 0.01	$ 0.14	$ 0.05
Diluted income per share	$ 0.10	$ 0.01	$ 0.14	$ 0.04