CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net product revenue	$ 2,051	$ 1,916	$ 3,806	$ 3,279
Net customer support and maintenance revenue	22	33	44	68
Total revenue	2,073	1,949	3,850	3,347
Cost of product revenue	721	783	1,350	1,392
Cost of customer support and maintenance revenue	5	5	11	11
Total cost of revenue	726	788	1,361	1,403
Gross profit	1,347	1,161	2,489	1,944
Operating expenses:
Sales and marketing	435	299	747	699
Research and development	378	314	777	711
General and administrative	297	310	640	621
Operating income (loss)	237	238	325	(87)
Interest expense, net	(32)	(26)	(63)	(53)
Income (loss) before income tax provision	205	212	262	(140)
Income tax provision	0		0
Net income (loss)	205	212	262	(140)
Preferred stock dividends accrued	(38)	(38)	(75)	(75)
Net income (loss) attributable to common stockholders	$ 167	$ 174	$ 187	$ (215)
Net income (loss) per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.01	$ 0.01	$ 0.02	$ (0.02)
Diluted (in dollars per share)	$ 0.01	$ 0.01	$ 0.01	$ (0.02)
Weighted average common shares outstanding:
Basic (in shares)	12,172	12,007	12,172	11,980
Diluted (in shares)	13,893	13,962	13,893	11,980