Net Loss Per Common Share (Computation of Basic and Diluted Loss Income Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Numerator:
Net loss	$ (259)	$ (520)	$ (250)	$ (3,762)
Denominator:
Weighted average number of shares of common stock outstanding	7,228,277	7,206,659	7,221,426	7,188,782
Weighted average number of shares of common stock outstanding, as adjusted	7,228,277	7,206,659	7,221,426	7,188,782
Net loss per common share:
Net loss per common share -Basic	$ (0.04)	$ (0.07)	$ (0.03)	$ (0.52)
Net loss per common share -Diluted	$ (0.04)	$ (0.07)	$ (0.03)	$ (0.52)