CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net product revenue	$ 1,788	$ 2,051	$ 3,364	$ 3,806
Net customer support and maintenance revenue	17	22	35	44
Total revenue	1,805	2,073	3,399	3,850
Cost of product revenue	614	721	1,187	1,350
Cost of customer support and maintenance revenue	2	5	5	11
Total cost of revenue	616	726	1,192	1,361
Gross profit	1,189	1,347	2,207	2,489
Operating expenses:
Sales and marketing	352	435	775	747
Research and development	520	378	999	777
General and administrative	313	297	666	640
Operating income (loss)	4	237	(233)	325
Interest expense, net	(26)	(32)	(59)	(63)
Income (loss) before income tax provision	(22)	205	(292)	262
Net income (loss)	(22)	205	(292)	262
Preferred stock dividends accrued	(34)	(38)	(71)	(75)
Net income (loss) attributable to common stockholders	$ (56)	$ 167	$ (363)	$ 187
Net income (loss) per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.00	$ 0.01	$ (0.03)	$ (0.02)
Diluted (in dollars per share)	$ 0.00	$ 0.01	$ (0.03)	$ (0.02)
Weighted average common shares outstanding:
Basic (in shares)	12,419	12,172	12,356	12,172
Diluted (in shares)	12,419	13,893	12,356	13,893