Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue:
Product	$ 153	$ 278	$ 384	$ 406
Maintenance	214	195	430	368
Total revenues	367	473	814	774
Cost of sales:
Product	34	39	145	43
Maintenance	61	38	73	92
Research and development	498	532	1,021	1,072
Sales and marketing expense	242	331	540	639
General and administrative expense	561	454	1,082	914
Total operating costs and expenses	1,396	1,394	2,861	2,760
Loss from operations	(1,029)	(921)	(2,047)	(1,986)
Other income, net				2
Interest Expense [Abstract]
Other	(1)	(245)	(1)	(245)
(Loss) gain on derivative liability	1	(1)	17	3
Net loss	(1,029)	(1,167)	(2,031)	(2,226)
Accretion of beneficial conversion feature, preferred shares:
Related party		(13)	(458)	(86)
Other		(12)	(69)	(313)
Preferred stock dividends:
Related party	(391)	(340)	(746)	(669)
Other	$ (394)	$ (319)	$ (770)	$ (612)
Income tax
Net loss before non-controlling interest	$ (1,814)	$ (1,851)	$ (4,074)	$ (3,906)
Net loss attributable to non-controlling interest
Net loss attributable to common stockholders	$ (1,814)	$ (1,851)	$ (4,074)	$ (3,906)
Basic and diluted loss per common share	$ (0.01)	$ (0.01)	$ (0.02)	$ (0.02)
Weighted average common shares outstanding, basic and diluted	232,308	232,560	234,308	232,560