CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net product revenue	$ 1,363	$ 996
Net customer support and maintenance revenue	35	46
Total revenue	1,398	1,042
Cost of product revenue	610	394
Cost of customer support and maintenance revenue	5	5
Total cost of revenue	615	399
Gross profit	783	643
Operating expenses:
Sales and marketing	399	345
Research and development	398	397
General and administrative	311	299
Operating income (loss)	(325)	(398)
Interest expense, net	(27)	(4)
Income (loss) before income tax provision	(352)	(402)
Income tax provision	0
Net income (loss)	(352)	(402)
Preferred stock dividends accrued	(38)	(37)
Net income (loss) attributable to common stockholders	$ (390)	$ (439)
Net income (loss) per share attributable to common stockholders, basic and diluted (in dollars per share)	$ (0.03)	$ (0.04)
Weighted average common shares outstanding:
Basic (in shares)	11,952	11,818
Diluted (in shares)	11,952	11,818