7. Income per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Numerator:
Net income (numerator for basis and diluted earnings per share)	$ 78	$ 672	$ 617	$ 1,147
Denominator:
Denominator for basic earnings per share weighted average shares	13,707,716	13,645,025	13,689,676	13,634,182
Effect of dilutive securities:
Options	213,525	86,397	199,647	87,572
Denominator
Denominator for diluted earnings per share weighted average shares	13,921,241	13,731,422	13,889,324	13,721,754
Basic income per share	$ 0.01	$ 0.05	$ 0.05	$ 0.08
Diluted income per share	$ 0.01	$ 0.05	$ 0.04	$ 0.08