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8. Income per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Numerator:
Net income (numerator for basic and diluted earnings per share)	$ 1,318	$ 1,365	$ 50	$ 1,878
Denominator:
Denominator for basic earnings per share weighted average shares	13,785,046	13,734,286	13,759,732	13,732,424
Effect of dilutive securities:
Options	29,644	106,922	142,855	87,276
Denominator
Denominator for diluted earnings per share weighted average shares	13,814,690	13,841,208	13,902,587	13,819,700
Basic income per share	$ .10	$ .10	$ .00	$ 0.14
Diluted income per share	$ .10	$ .10	$ .00	$ 0.14

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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