CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues:
Product	$ 1,634	$ 2,686	$ 1,145
Maintenance	2,525	2,618	2,806
Total	4,159	5,304	3,951
Cost of revenues:
Product	257	319	227
Maintenance	735	771	975
Gross profit	3,167	4,214	2,749
Operating expenses:
General and administrative	3,818	3,378	3,430
Sales and marketing	2,471	2,129	1,830
Research and development	4,495	3,869	3,180
Depreciation and amortization	179	125	69
Total	10,963	9,501	8,509
Loss from operations	(7,796)	(5,287)	(5,760)
Interest expense	416	221	18
Change in fair value of derivative liabilities		(4,776)	(4,712)
Other income, net	(297)	(443)	(322)
Loss before income taxes	(7,915)	(9,841)	(10,168)
Income tax expense	25	8	22
Net loss	(7,940)	(9,849)	(10,190)
Preferred dividends	(51)	(51)	(51)
Net loss available to common shareholders	$ (7,991)	$ (9,900)	$ (10,241)
Basic and diluted loss per common share see Note 2:
Net loss	$ (0.09)	$ (0.12)	$ (0.14)
Preferred dividends
Basic and diluted loss per share available to common shareholders	$ (0.09)	$ (0.12)	$ (0.14)
Basic and diluted weighted-average shares outstanding	91,795,971	81,231,962	70,894,916