STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Income Statement [Abstract]
Revenues	$ 152,000	$ 508,000	$ 1,055,000	$ 5,984,000
Cost of revenues	140,000	434,000	1,722,000	5,108,000
Gross income (loss)	12,000	74,000	(667,000)	876,000
Operating expenses
Research and development	1,000	528,000	805,000	1,532,000
Selling, general & administrative	731,000	1,172,000	3,129,000	4,034,000
Total operating expenses	732,000	1,700,000	3,934,000	5,566,000
Operating loss	(720,000)	(1,626,000)	(4,601,000)	(4,690,000)
Other income and (expense)
Interest and other income (expense)	(29,000)	(20,000)	(150,000)	(113,000)
Total other income and (expense)	(29,000)	(20,000)	(150,000)	(113,000)
Net loss	$ (749,000)	$ (1,646,000)	$ (4,751,000)	$ (4,803,000)
Basic and diluted loss per share	$ (0.02)	$ (0.05)	$ (0.11)	$ 0.15
Weighted average number of common shares outstanding	44,520,000	31,515,000	43,757,000	31,503,000