XML 28 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6
FAIR VALUE (Details 2) (USD $)
 3 Months Ended 200 Months Ended 0 Months Ended 12 Months Ended 3 Months Ended 0 Months Ended 3 Months Ended 2 Months Ended 1 Months Ended 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Apr. 03, 2013
Celgene Corporation
Subsequent event
patent
Dec. 14, 2012
Aspire Capital Fund, LLC
Dec. 31, 2012
Aspire Capital Fund, LLC
Mar. 31, 2013
Aspire Capital Fund, LLC
Common stock
Dec. 14, 2012
Aspire Capital Fund, LLC
Maximum
Mar. 22, 2012
Economic Rights
Mar. 31, 2013
Economic Rights
Dec. 31, 2012
Economic Rights
Mar. 31, 2013
Economic Rights
Celgene Corporation
Apr. 30, 2013
Economic Rights
Celgene Corporation
Subsequent event
Feb. 28, 2007
Warrants
Mar. 31, 2013
Warrants
Mar. 31, 2012
Warrants
Mar. 31, 2013
Warrants
Maximum
Reconciliation of the beginning and ending balance of Level 3 inputs                                  
Balance at the beginning of the period                   $ 1,140,000              
Change in valuation of liability                   (570,000)         0 42,000  
Movement of valuation of liability from Level 3 to Level 2                   (550,000)              
Balance at the end of the period                   20,000              
Number of shares issued under purchase agreement         158,982   650,000                    
Purchase price for shares issued under purchase agreement         1,000,000   3,400,000                    
Shares committed to purchase               1,455,787                  
Period of common stock purchase agreement         2 years                        
Common stock purchase agreement, purchase commitment               19,000,000                  
Stock issued in lieu of commitment fee         74,548                        
Stock purchase agreement     423,000     400,000                      
Amount to be paid as percentage of future litigation settlement amount received                 10.00%                
Number of patents in litigation sold under the definitive agreement       4                          
One time payment received under the definitive agreement       5,500,000                          
Amount paid to the holders of liability                         600,000        
Fair value of the liability                   600,000 1,100,000            
Change in fair value of the derivative (570,000) 56,000 (547,000)             500,000              
Actual amount owed as a percentage of one-time payment received                       10.00%          
Warrants Liability                                  
Fair value of the warrants                           $ 6,800,000 $ 0    
Risk free interest rate (as a percent)                           4.68%      
Expected volatility (as a percent)                           85.00%      
Expected dividend yield (as a percent)                           0.00%      
Contractual life                           7 years      
Expected term                                 1 year