CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net product revenue	$ 1,954	$ 1,823	$ 5,760	$ 5,102
Net customer support and maintenance revenue	21	32	65	100
Total revenue	1,975	1,855	5,825	5,202
Cost of product revenue	785	769	2,135	2,161
Cost of customer support and maintenance revenue	5	5	16	16
Total cost of revenue	790	774	2,151	2,177
Gross profit	1,185	1,081	3,674	3,025
Operating expenses:
Sales and marketing	336	317	1,083	1,016
Research and development	361	414	1,138	1,125
General and administrative	281	270	921	891
Operating income (loss)	207	80	532	(7)
Interest expense, net	(34)	(32)	(97)	(85)
Income (loss) before income tax provision	173	48	435	(92)
Net income (loss)	173	48	435	(92)
Preferred stock dividends accrued	(38)	(39)	(113)	(116)
Net income (loss) attributable to common stockholders	$ 135	$ 9	$ 322	$ (208)
Net income (loss) per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.01	$ 0.00	$ 0.03	$ (0.02)
Diluted (in dollars per share)	$ 0.01	$ 0.00	$ 0.02	$ (0.02)
Weighted average common shares outstanding:
Basic (in shares)	12,172	12,072	12,172	12,011
Diluted (in shares)	14,532	13,922	14,532	12,011