CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue:
Product	$ 356,000	$ 1,022,000	$ 759,000	$ 1,400,000
Maintenance	640,000	673,000	1,280,000	1,287,000
Revenues	996,000	1,695,000	2,039,000	2,687,000
Cost of revenue:
Product	56,000	589,000	130,000	663,000
Maintenance	219,000	209,000	424,000	420,000
Gross profit	721,000	897,000	1,485,000	1,604,000
Operating expense:
General and administrative	899,000	788,000	1,905,000	1,704,000
Sales and marketing	743,000	717,000	1,416,000	1,368,000
Research and development	1,318,000	1,114,000	2,631,000	2,148,000
Depreciation and amortization	35,000	41,000	70,000	83,000
Total	2,995,000	2,660,000	6,022,000	5,303,000
Loss from operations	(2,274,000)	(1,763,000)	(4,537,000)	(3,699,000)
Interest expense (income), net	36,000	(2,000)	46,000	435,000
Other income, net	(200,000)		(200,000)	(46,000)
Loss before income taxes	(2,110,000)	(1,761,000)	(4,383,000)	(4,088,000)
Income tax expense	4,000	6,000	6,000	8,000
Net loss	(2,114,000)	(1,767,000)	(4,389,000)	(4,096,000)
Preferred dividends	(309,000)	(302,000)	(657,000)	(506,000)
Net loss available to common shareholders	$ (2,423,000)	$ (2,069,000)	$ (5,046,000)	$ (4,602,000)
Basic income and diluted loss per common share - see Note 3:
Net loss	$ (0.02)	$ (0.02)	$ (0.05)	$ (0.04)
Preferred dividends	(0.01)	(0.00)	(0.00)	(0.01)
Basic and diluted loss per share available to common shareholders	$ (0.03)	$ (0.02)	$ (0.05)	$ (0.05)
Basic and diluted weighted-average shares outstanding	94,298,567	93,674,349	94,185,967	93,595,433