STATEMENTS OF OPERATIONS (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Revenues	$ 1,103,000	$ 6,622,000
Cost of revenues	2,407,000	6,364,000
Gross (loss) income	(1,304,000)	258,000
Operating expenses
Research and development	805,000	2,039,000
Selling, general & administrative	3,915,000	5,075,000
Total operating expenses	7,420,000	7,114,000
Operating loss	(6,024,000)	(6,856,000)
Other income and (expense), net
Loss on litigation	(2,014,000)	(41,000)
Interest and other income (expense)	(197,000)	(87,000)
Total other income and (expense), net	(2,211,000)	(128,000)
Net loss	$ (8,235,000)	$ (6,984,000)
Basic and diluted loss per share	$ (0.19)	$ (0.22)
Weighted average number of common shares outstanding	43,952,000	31,537,000