STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Statement [Abstract]
Revenues	$ 232,000	$ 543,000	$ 285,000	$ 903,000
Cost of revenues	425,000	746,000	481,000	1,582,000
Gross loss	(193,000)	(203,000)	(196,000)	(679,000)
Operating expenses
Research and development		338,000		804,000
Selling, general & administrative	155,000	1,145,000	538,000	2,398,000
Total operating expenses	155,000	1,483,000	538,000	3,202,000
Operating loss	(348,000)	(1,686,000)	(734,000)	(3,881,000)
Other income and (expense)
Interest and other income (expense)	8,000	(101,000)	(12,000)	(121,000)
Total other income and (expense)	8,000	(101,000)	(12,000)	(121,000)
Net loss	$ (340,000)	$ (1,787,000)	$ (746,000)	$ (4,002,000)
Basic and diluted loss per share	$ (0.01)	$ (0.04)	$ (0.02)	$ (0.09)
Weighted average number of common shares outstanding	44,520,000	43,977,000	44,520,000	43,371,000