Net Loss Per Share (Schedule of Net Income (Loss) per Basic and Diluted Shares) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Earnings Per Share [Abstract]
Net Income (Loss)	$ (173)	$ (214)
Weighted Average Shares Outstanding, Basic (in shares)	6,986	6,912
Per Share Amount, Basic (in dollars per share)	$ (0.02)	$ (0.03)
Weighted Average Shares Outstanding, dilutive effect of common equivalent shares, (in shares)	0	0
Per Share Amount, Dilutive effect of common equivalent shares (in dollars per share)	$ 0	$ 0
Weighted Average Shares Outstanding, Dilutive (in shares)	6,986	6,912
Per Share Amount, Dilutive (in dollars per share)	$ (0.02)	$ (0.03)