CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Net product revenue	$ 1,759	$ 1,522	$ 3,782	$ 4,492
Net customer support and maintenance revenue	33	55	120	158
Total revenue	1,792	1,577	3,902	4,650
Cost of product revenue	695	589	1,490	1,681
Cost of customer support and maintenance revenue	6	5	16	15
Total cost of revenue	701	594	1,506	1,696
Gross profit	1,091	983	2,396	2,954
Operating expenses:
Sales and marketing	365	179	1,092	639
Research and development	313	379	1,149	1,024
General and administrative	268	262	869	778
Operating income (loss)	145	163	(714)	513
Other income		47		47
Interest expense, net	(24)	(7)	(41)	(32)
Income (loss) before income tax provision	121	203	(755)	528
Income tax provision	0		0
Net income (loss)	121	203	(755)	528
Preferred stock dividends accrued	(38)	(38)	(113)	(113)
Net income (loss) attributable to common stockholders	$ 83	$ 165	$ (868)	$ 415
Net income (loss) per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.01	$ 0.01	$ (0.07)	$ 0.04
Diluted (in dollars per share)	$ 0.01	$ 0.01	$ (0.07)	$ 0.03
Weighted average common shares outstanding:
Basic (in shares)	11,902	11,744	11,855	11,728
Diluted (in shares)	13,608	14,126	11,855	13,898