CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net product revenue	$ 6,795	$ 7,150
Net customer support and maintenance revenue	29	69
Total revenue	6,824	7,219
Cost of product revenue	2,517	2,521
Cost of customer support and maintenance revenue	13	11
Total cost of revenue	2,530	2,532
Gross profit	4,294	4,687
Operating expenses:
Sales and marketing	1,894	1,735
Research and development	2,315	1,941
General and administrative	1,227	1,232
Operating loss	(1,142)	(221)
Interest expense, net	(107)	(107)
Other income		54
Loss from operations before income taxes	(1,249)	(274)
Income tax provision	0	0
Net loss	(1,249)	(274)
Preferred stock dividends accrued	(139)	(141)
Net loss attributable to common stockholders	$ (1,388)	$ (415)
Net loss per share attributable to common stockholders:
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (0.11)	$ (0.03)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (0.11)	$ (0.03)
Weighted average common shares outstanding:
Basic (in shares)	12,598	12,393
Diluted (in shares)	12,598	12,393