CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue:
Product	$ 407	$ 356	$ 680	$ 759
Maintenance	653	640	1,309	1,280
Revenues	1,060	996	1,989	2,039
Cost of revenue:
Product	36	56	90	130
Maintenance	214	219	423	424
Gross profit	810	721	1,476	1,485
Operating expense:
General and administrative	1,042	899	2,087	1,905
Sales and marketing	702	743	1,463	1,416
Research and development	1,479	1,318	2,943	2,631
Depreciation and amortization	17	35	38	70
Total	3,240	2,995	6,531	6,022
Loss from operations	(2,430)	(2,274)	(5,055)	(4,537)
Interest expense, net	164	36	264	46
Other income, net	(50)	(200)	(50)	(200)
Loss before income taxes	(2,544)	(2,110)	(5,269)	(4,383)
Income tax expense	3	4	7	6
Net loss	(2,547)	(2,114)	(5,276)	(4,389)
Preferred dividends	(514)	(309)	(1,021)	(657)
Net loss available to common shareholders	$ (3,061)	$ (2,423)	$ (6,297)	$ (5,046)
Basic income and diluted loss per common share - see Note 3:
Net loss	$ (0.03)	$ (0.02)	$ (0.06)	$ (0.05)
Preferred dividends	(0.00)	(0.01)	(0.01)	(0.00)
Basic and diluted loss per share available to common shareholders	$ (0.03)	$ (0.03)	$ (0.07)	$ (0.05)
Basic and diluted weighted-average shares outstanding	92,539,230	94,298,567	92,203,567	94,185,967