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RESEARCH AND LICENSE AGREEMENTS WITH PRINCETON, USC AND MICHIGAN (Details) (USD $)
120 Months Ended 36 Months Ended 0 Months Ended 47 Months Ended 3 Months Ended
Jul. 31, 2007
1997 Research Agreement [Member]
Apr. 30, 2009
2006 Research Agreement - Original Term [Member]
May 01, 2009
2006 Research Agreement - Extended Term [Member]
Mar. 31, 2013
2006 Research Agreement - Extended Term [Member]
Mar. 31, 2013
1997 Amended License Agreement [Member]
Mar. 31, 2012
1997 Amended License Agreement [Member]
Research and Development Arrangement, Contract to perform for Others [Line Items]            
Term of agreement (in years) 10 years 3 years 4 years      
Research and development expense incurred   $ 2,200,000   $ 4,700,000    
Maximum obligation       457,000    
Royalty rate for licensed products sold by the Company (in hundredths)         3.00%  
Royalty rate for licensed products sold by the Company's sublicenses (in hundredths)         3.00%  
Minimum royalty payment per year         100,000  
Royalty and license expense         309,000 256,000
Minimum investment per year         $ 800,000