Condensed Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Revenue	$ 1,636	$ 1,303	$ 3,136	$ 2,505
Operating expenses:
Cost of revenue	533	261	950	502
Engineering and product development	182	406	452	715
Sales and marketing	1,028	1,288	2,001	2,495
General and administrative	763	665	1,534	1,460
Total operating expenses	2,506	2,620	4,937	5,172
Loss from operations	(870)	(1,317)	(1,801)	(2,667)
Other expense:	(96)	(24)	(171)	(46)
Net loss	$ (966)	$ (1,341)	$ (1,972)	$ (2,713)
Net loss per share, basic and diluted	$ (0.19)	$ (0.27)	$ (0.38)	$ (0.56)
Weighted average number of shares used in computing basic and diluted loss per share	5,123,568	4,978,878	5,123,568	4,871,614