Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net loss (Numerator):
Net loss	$ (1,302)	$ (1,047)	$ (2,826)	$ (7,634)
Shares (Denominator):
Weighted average common shares outstanding	4,431	4,413	4,423	4,407
Shares used in basic computation	4,431	4,413	4,423	4,407
Common shares issuable upon exercise of stock options (treasury stock method)	0	0	0	0
Shares used in diluted computation	4,431	4,413	4,423	4,407
Net loss per share:
Basic and diluted net loss per share (usd per share)	$ (0.29)	$ (0.24)	$ (0.64)	$ (1.73)