Condensed Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Revenue	$ 1,501	$ 1,202
Operating expenses:
Cost of revenue	417	241
Engineering and product development	270	309
Sales and marketing	974	1,207
General and administrative	772	793
Total operating expenses	2,433	2,550
Loss from operations	(932)	(1,348)
Interest expense, net	(74)	(24)
Net loss	$ (1,006)	$ (1,372)
Net loss per share, basic and diluted (in dollars per share)	$ (0.20)	$ (0.29)
Weighted average number of shares used in computing basic and diluted loss per share (in shares)	5,123,568	4,763,573