Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Revenue	$ 2,333	$ 1,972	$ 6,774	$ 5,714
Operating expenses:
Cost of revenue	932	882	2,762	2,598
Selling and marketing	681	624	1,927	1,807
General and administrative	1,140	1,309	3,705	4,244
Research and development	189	209	634	577
Total operating expenses	2,942	3,024	9,028	9,226
Loss from operations	(609)	(1,052)	(2,254)	(3,512)
Other income (expense):
Interest income	4	6	12	19
Interest expense	(39)	(3)	(105)	(16)
Other income, net	27	16	91	264
Total other income/(expense), net	(8)	19	(2)	267
Loss before income tax	(617)	(1,033)	(2,256)	(3,245)
Income tax provision	(4)	(10)	(11)	(28)
Net loss	$ (621)	$ (1,043)	$ (2,267)	$ (3,273)
Net loss per common share:
Basic	$ (0.05)	$ (0.08)	$ (0.17)	$ (0.25)
Diluted	$ (0.05)	$ (0.08)	$ (0.17)	$ (0.25)
Weighted-average common shares outstanding:
Basic	13,411,569	13,207,041	13,316,277	12,870,728
Diluted	13,411,569	13,207,041	13,316,277	12,870,728