CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue:
Product	$ 209	$ 552	$ 968	$ 1,952
Maintenance	639	629	1,919	1,916
Revenues	848	1,181	2,887	3,868
Cost of revenue:
Product	32	124	162	786
Maintenance	200	197	624	618
Gross profit	616	860	2,101	2,464
Operating expense:
General and administrative	904	907	2,810	2,611
Sales and marketing	717	663	2,133	2,030
Research and development	1,301	1,203	3,932	3,350
Depreciation and amortization	33	40	103	123
Total	2,955	2,813	8,978	8,114
Loss from operations	(2,339)	(1,953)	(6,877)	(5,650)
Interest expense, net	89	1	135	436
Other income, net	0	(99)	(200)	(145)
Loss before income taxes	(2,428)	(1,855)	(6,812)	(5,941)
Income tax expense	3	3	10	11
Net loss	(2,431)	(1,858)	(6,822)	(5,952)
Preferred dividends	(317)	(306)	(986)	(812)
Net loss available to common shareholders	$ (2,748)	$ (2,164)	$ (7,808)	$ (6,764)
Basic income and diluted loss per common share - see Note 3:
Net loss	$ (0.03)	$ (0.02)	$ (0.07)	$ (0.06)
Preferred dividends	(0.00)	(0.00)	(0.01)	(0.01)
Basic and diluted loss per share available to common shareholders	$ (0.03)	$ (0.02)	$ (0.08)	$ (0.07)
Basic and diluted weighted-average shares outstanding	94,550,721	93,876,339	94,309,309	93,690,097