Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue:
Product	$ 164	$ 153	$ 224	$ 384
Maintenance	192	214	409	430
Total revenues	356	367	633	814
Cost of sales:
Product	17	34	54	145
Maintenance	85	61	218	73
Research and development	367	498	685	1,021
Sales and marketing expense	127	242	329	540
General and administrative expense	613	561	1,342	1,082
Total operating costs and expenses	1,209	1,396	2,628	2,861
Loss from operations	(853)	(1,029)	(1,995)	(2,047)
Other expense, net	(16)		(13)
Interest expense:
Related party	(30)		(81)
Other	(38)	(1)	(98)	(1)
Amortization of debt discount:
Related Party	(34)		(56)
Other	(127)		(210)
Gain on derivative liability	149	1	174	17
Net loss	(949)	(1,029)	(2,279)	(2,031)
Accretion of beneficial conversion feature, preferred shares:
Related party			(115)	(458)
Other			(130)	(69)
Preferred stock dividends:
Related party	(226)	(391)	(646)	(746)
Other	(233)	(394)	(667)	(770)
Net loss attributable to common stockholders	$ (1,408)	$ (1,814)	$ (3,837)	$ (4,074)
Basic and diluted loss per common share	$ (0.53)	$ (9.68)	$ (2.70)	$ (21.73)
Weighted average common shares outstanding, basic and diluted	2,636	187	1,420	187