CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net product revenue	$ 1,755	$ 1,363
Net customer support and maintenance revenue	22	35
Total revenue	1,777	1,398
Cost of product revenue	629	610
Cost of customer support and maintenance revenue	6	5
Total cost of revenue	635	615
Gross profit	1,142	783
Operating expenses:
Sales and marketing	312	399
Research and development	399	398
General and administrative	343	311
Operating income (loss)	88	(325)
Interest expense, net	(31)	(27)
Income (loss) before income tax provision	57	(352)
Income tax provision	0
Net income (loss)	57	(352)
Preferred stock dividends accrued	(37)	(38)
Net income (loss) attributable to common stockholders	$ 20	$ (390)
Net income (loss) per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.00	$ (0.03)
Diluted (in dollars per share)	$ 0.00	$ (0.03)
Weighted average common shares outstanding:
Basic (in shares)	12,172	11,952
Diluted (in shares)	13,736	11,952