Significant Accounting Policies (Details 1) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Numerator:
Net loss	$ (2,799)	$ 1,966	$ 2,006	$ (2,498)	$ (3,075)	$ 995	$ (1,288)	$ (6,587)	$ (1,325)	$ (9,955)
Basic:
Weighted-average common shares used in computing basic net loss per share									45,550	45,636
Add weighted average effect of dilutive securities:
Weighted-average common shares used in computing diluted net loss per share									45,550	45,636
Net loss per common share:
Basic	$ (0.06)	$ 0.04	$ 0.04	$ (0.05)	$ (0.07)	$ 0.02	$ (0.03)	$ (0.14)	$ (0.03)	$ (0.22)
Diluted	$ (0.06)	$ 0.04	$ 0.04	$ (0.05)	$ (0.07)	$ 0.02	$ (0.03)	$ (0.14)	$ (0.03)	$ (0.22)