Income per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income per Common Share [Abstract]
Diluted net income per common share	$ 0.06	$ 0.24	$ 0.10	$ 0.18
Basic net income per common share	$ 0.06	$ 0.24	$ 0.10	$ 0.18
Numerator:
Net income	$ 323	$ 1,193	$ 520	$ 901
Denominator:
Weighted average common shares outstanding	5,117	5,041	5,107	5,035
Dilutive potential common shares	11	0	0	0
Shares used in diluted net loss per common share calculations	5,128	5,041	5,107	5,035
Shares excluded from diluted weighted shares outstanding	107,247	296,640	132,273	300,271