Net Loss Per Common Share (Computation of Basic and Diluted Net Loss Per Common 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 loss		$ (802)	$ (356)	$ (3,242)	$ (231)
Adjustment for interest expense on convertible notes	[1]
Net loss		$ (802)	$ (356)	$ (3,242)	$ (231)
Denominator:
Weighted average number of shares of common stock outstanding		7,196,891	7,061,545	7,179,746	7,058,026
Weighted average number of shares of common stock outstanding, as adjusted		7,196,891	7,061,545	7,179,746	7,058,026
Net loss per common share:
Net loss per common share - Basic		$ (0.11)	$ (0.05)	$ (0.45)	$ (0.03)
Net loss per common share - Diluted		$ (0.11)	$ (0.05)	$ (0.45)	$ (0.03)

[1] An adjustment for interest expense on convertible notes was excluded from the loss per share calculation for the three and six months ended June 30, 2016 and 2015 as a result of the convertible notes being anti-dilutive.