Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Property And Equipment

		December 31,			December 31,
		2012			2011
Furniture and office equipment	$	441		$	424
Leasehold improvements		5			5
		446			429
Less - accumulated depreciation		(388	)		(343	)
	$	58		$	86

Schedule Of Patent Costs

		December 31,			December 31,
		2012			2011
Patents	$	2,226		$	2,167
Less - accumulated amortization		(1,203	)		(1,061	)
	$	1,023		$	1,106

Schedule Of Weighted Average Number Of Shares

	Year ended December 31,
	2012	2011	2010
		(in thousands)
Basic weighted-average shares	98,354	89,774	77,608
Effect of dilutive securities:
Stock options	761	-	-
Dilutive weighted-average shares	99,115	89,774	77,608

Schedule Of Anti-dilutive Securities Excluded From Computation Of Earnings Per Share

		Year ended December 31,
		2012	2011			2010
Options and warrants (in thousands)		19,744		25,973		18,306
Weighted-average exercise price of options and warrants	$	3.00	$	2.49	$	2.60
Average market price of common shares	$	0.79	$	1.46	$	2.02