CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenue:
Product	$ 78	$ 425	$ 1,357	$ 1,105
Maintenance	658	659	1,980	1,967
Revenues	736	1,084	3,337	3,072
Cost of revenue:
Product	9	17	175	108
Maintenance	151	214	540	637
Gross profit	576	853	2,622	2,327
Operating expense:
General and administrative	981	881	3,172	2,815
Sales and marketing	920	656	2,600	2,119
Research and development	1,820	1,583	5,483	4,679
Depreciation and amortization	10	16	34	54
Total	3,731	3,136	11,289	9,667
Loss from operations	(3,155)	(2,283)	(8,667)	(7,340)
Interest expense, net	141	178	497	443
Change in fair value of derivative liabilities	186	0	186	0
Other income, net	0	(75)	0	(125)
Loss before income taxes	(3,482)	(2,386)	(9,350)	(7,658)
Income tax expense	0	4	1	10
Net loss	(3,482)	(2,390)	(9,351)	(7,668)
Preferred dividends	(949)	(553)	(2,437)	(1,575)
Preferred stock exchange	0	(1,245)	0	(1,245)
Net loss available to common shareholders	$ (4,431)	$ (4,188)	$ (11,788)	$ (10,488)
Basic income and diluted loss per common share
Net loss	$ (0.04)	$ (0.03)	$ (0.10)	$ (0.08)
Preferred dividends	(.01)	(0.00)	(.02)	(.02)
Preferred stock exchange	0.00	(0.01)	0.00	(0.01)
Basic and diluted loss per share available to common shareholders	$ (0.05)	$ (0.04)	$ (0.12)	$ (0.11)
Basic and diluted weighted-average shares outstanding	95,838,813	93,197,689	95,116,862	92,538,582