Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Revenue	$ 1,890	$ 1,808	$ 3,742	$ 3,880
Operating expenses:
Cost of revenue	855	884	1,716	1,814
Selling and marketing	580	504	1,183	1,157
General and administrative	1,375	1,548	2,935	3,298
Research and development	165	435	368	849
Total operating expenses	2,975	3,371	6,202	7,118
Loss from operations	(1,085)	(1,563)	(2,460)	(3,238)
Other income (expense):
Interest income	7	$ 37	13	$ 85
Interest expense	(3)		(13)
Other income, net	29	$ 45	248	$ 74
Total other income, net	33	82	248	159
Loss before income tax	(1,052)	(1,481)	(2,212)	(3,079)
Income tax provision	(8)	(13)	(18)	(47)
Net loss	$ (1,060)	$ (1,494)	$ (2,230)	$ (3,126)
Net loss per common share:
Basic	$ (0.08)	$ (0.13)	$ (0.18)	$ (0.28)
Diluted	$ (0.08)	$ (0.13)	$ (0.18)	$ (0.28)
Weighted-average common shares outstanding:
Basic	12,700,624	11,173,762	12,699,784	11,043,770
Diluted	12,700,624	11,173,762	12,699,784	11,043,770