RESEARCH AND LICENSE AGREEMENTS WITH PRINCETON, USC AND MICHIGAN (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Research and Development Arrangement, Contract for Others to Perform [Line Items]
Royalty and license expense	$ (786,000)	$ (218,000)	$ (1,036,000)	$ (420,000)
Minimum investment per year	800,000
2006 Research Agreement - Original Term [Member]
Research and Development Arrangement, Contract for Others to Perform [Line Items]
Term of agreement (in years)	3Y 4Y
Research and Development Arrangement, Contract for Others to Perform, Costs Incurred, Gross	2,200,000
2006 Research Agreement - Extended Term [Member]
Research and Development Arrangement, Contract for Others to Perform [Line Items]
Research and Development Arrangement, Contract for Others to Perform, Costs Incurred, Gross	3,200,000
Maximum obligation	1,800,000		1,800,000
Royalty rate for licensed products sold by the Company (in hundredths)	300.00%
Royalty rate for licensed products sold by the Company's sublicenses (in hundredths)	300.00%
License Agreement 1997 Terms [Member]
Research and Development Arrangement, Contract for Others to Perform [Line Items]
Term of agreement (in years)	10Y
Minimum royalty payment per year	100,000
Royalty and license expense	$ (783,000)	$ (216,000)	$ (1,039,000)	$ (415,000)