CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net product revenue	$ 1,576	$ 1,755
Net customer support and maintenance revenue	18	22
Total revenue	1,594	1,777
Cost of product revenue	573	629
Cost of customer support and maintenance revenue	3	6
Total cost of revenue	576	635
Gross profit	1,018	1,142
Operating expenses:
Sales and marketing	423	312
Research and development	479	399
General and administrative	353	343
Operating income (loss)	(237)	88
Interest expense, net	(33)	(31)
Income (loss) before income tax provision	(270)	57
Net income (loss)	(270)	57
Preferred stock dividends accrued	(37)	(37)
Net income (loss) attributable to common stockholders	$ (307)	$ 20
Net income (loss) per share attributable to common stockholders:
Basic (in dollars per share)	$ (0.02)	$ 0.00
Diluted (in dollars per share)	$ (0.02)	$ 0.00
Weighted average common shares outstanding:
Basic (in shares)	12,291	12,172
Diluted (in shares)	12,291	13,736