Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue	$ 1,559	$ 1,511
Cost of revenue	583	539
Gross Profit	976	972
Operating expenses:
Sales and marketing	361	428
Research and development	585	730
General and administrative	331	327
Operating loss	(301)	(513)
Interest expense, net	(50)	(31)
Net loss	(351)	(544)
Preferred stock dividend accrued	(35)	(35)
Net loss attributable to common stockholders	$ (386)	$ (579)
Net loss per share attributable to common stockholders:
Basic (in dollars per share)	$ (0.03)	$ (0.05)
Diluted (in dollars per share)	$ (0.03)	$ (0.05)
Weighted average common shares outstanding:
Basic (in shares)	12,748	12,703
Diluted (in shares)	12,748	12,703