CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues:
Product	$ 2,192	$ 1,634	$ 2,686
Maintenance	2,577	2,525	2,618
Total	4,769	4,159	5,304
Cost of revenues:
Product	1,117	257	319
Maintenance	827	735	771
Gross profit	2,825	3,167	4,214
Operating expenses:
General and administrative	3,437	3,818	3,378
Sales and marketing	2,791	2,471	2,129
Research and development	4,643	4,495	3,869
Depreciation and amortization	164	179	125
Total	11,035	10,963	9,501
Loss from operations	(8,210)	(7,796)	(5,287)
Interest expense	$ 447	$ 416	221
Change in fair value of derivative liabilities			(4,776)
Other income, net	$ (145)	$ (297)	(443)
Loss before income taxes	(8,512)	(7,915)	(9,841)
Income tax expense	22	25	8
Net loss	(8,534)	(7,940)	(9,849)
Preferred dividends	(1,065)	(51)	(51)
Net loss available to common shareholders	$ (9,599)	$ (7,991)	$ (9,900)
Basic and diluted loss per common share see Note 2:
Net loss	$ (0.09)	$ (0.09)	$ (.12)
Preferred dividends	(.01)
Basic and diluted loss per share available to common shareholders	$ (.01)	$ (.09)	$ (.12)
Basic and diluted weighted-average shares outstanding	93,786,079	91,795,971	81,231,962