CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net product revenue	$ 1,916	$ 1,027	$ 3,279	$ 2,023
Net customer support and maintenance revenue	33	41	68	87
Total revenue	1,949	1,068	3,347	2,110
Cost of product revenue	783	401	1,392	794
Cost of customer support and maintenance revenue	5	5	11	11
Total cost of revenue	788	406	1,403	805
Gross profit	1,161	662	1,944	1,305
Operating expenses:
Sales and marketing	299	381	699	726
Research and development	314	440	711	836
General and administrative	310	302	621	602
Operating income (loss)	238	(461)	(87)	(859)
Interest expense, net	(26)	(12)	(53)	(16)
Income (loss) before income tax provision	212	(473)	(140)	(875)
Income tax provision
Net income (loss)	212	(473)	(140)	(875)
Preferred stock dividends accrued	(38)	(38)	(75)	(75)
Net income (loss) attributable to common stockholders	$ 174	$ (511)	$ (215)	$ (950)
Net income (loss) per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.01	$ (0.04)	$ (0.02)	$ (0.08)
Diluted (in dollars per share)	$ 0.01	$ (0.04)	$ (0.02)	$ (0.08)
Weighted average common shares outstanding:
Basic (in shares)	12,007	11,844	11,980	11,831
Diluted (in shares)	13,962	11,844	11,980	11,831