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Consolidated Statements Of Changes In Stockholders' Equity / (Deficit) (USD $)
Series D Preferred Stock [Member]
Series E Preferred Stock [Member]
Common Stock [Member]
Paid-In Capital [Member]
Accumulated Deficit [Member]
Total
Balance at Dec. 31, 2008 $ 690    $ 5,241 $ 106,425,370 $ (88,306,625)  
Balance,shares at Dec. 31, 2008 6,900,000 13 52,410,248      
stock issued for cash 20    172 5,106,078    
stock issued for cash, shares 197,600   1,722,500      
Common stock issued for services     11      
Common stock issued for services, shares     101,999      
Preferred stock converted to common (519)          
Preferred stock converted to common, shares (5,191,200)          
Common stock issued on convertible instruments     519      
Common stock issued on convertible instruments, shares     5,191,200      
Series D Preferred stock issued for cash       790,380    
Share-based compensation       2,168,728    
Net loss         (18,628,198) (18,628,198)
Balance at Dec. 31, 2009 191    5,943 114,490,556 (106,934,823) 7,561,867
Balance,shares at Dec. 31, 2009 1,906,400 13 59,425,947      
stock issued for cash      400 6,056,346    
stock issued for cash, shares   (13) 4,000,000      
Common stock issued for services     65      
Common stock issued for services, shares     656,888      
Preferred stock converted to common (170)          
Preferred stock converted to common, shares (1,700,000)          
Common stock issued on convertible instruments     300 (130)    
Common stock issued on convertible instruments, shares     3,000,000      
Accretion of Series G Preferred stock       (383,050)    
Warrants issued in connection with short term funding       150,892    
Share-based compensation       2,408,226    
Net loss         (23,343,066) (23,343,066)
Balance at Dec. 31, 2010 21    6,708 122,722,840 (130,277,889) (7,548,320)
Balance,shares at Dec. 31, 2010 206,400   67,082,835      
stock issued for cash      552 15,397,144    
stock issued for cash, shares     5,520,000      
Common stock issued for services     39      
Common stock issued for services, shares     390,549      
Common stock issued on convertible instruments     10 229,490    
Common stock issued on convertible instruments, shares     102,000      
Accretion of Series G Preferred stock       (1,987,977)    
Fair value of warrants issued to Series G Preferred stock shareholders       (906,150)    
Share-based compensation       1,781,115    
Net loss         (16,225,308) (16,225,308)
Dividends         (515,556)  
Balance at Dec. 31, 2011 $ 21    $ 7,309 $ 137,236,462 $ (147,018,753) $ (9,774,961)
Balance,shares at Dec. 31, 2011 206,400   73,095,384