Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statement of Stockholders' Equity

v2.3.0.15
Consolidated Statement of Stockholders' Equity (USD $)
Total
Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Beginning Balance at Dec. 31, 2010 $ 4,131,745 $ 11 $ 86,320 $ 254,915,713 $ (250,870,299)
Beginning Balance (in shares) at Dec. 31, 2010   11,000 86,319,913    
Issued restricted stock (in shares)     812,000    
Issued restricted stock 812   812    
Cancelled restricted stock (in shares)     (686,000)    
Cancelled restricted stock (596)   (686) 90  
Issued stock to 401(k) plan (in shares)     35,233    
Issued stock to 401(k) plan 61,971   35 61,936  
Issued stock upon exercise of warrants, net (in shares)     4,026,552    
Issued stock upon exercise of warrants, net 8,327,190   4,027 8,323,163  
Issued stock upon exercise of stock options, net (in shares)     1,604,239    
Issued stock upon exercise of stock options, net (2,241,286)   1,604 (2,242,890)  
Effect of change in terms of warrants 1,978,818     1,978,818  
Conversion of Series B preferred stock to common stock (in shares)   (917) 2,998,590    
Conversion of Series B preferred stock to common stock   (1) 2,999 (2,998)  
Stock compensation expense 3,073,074     3,073,074  
Preferred stock dividends (75,000)       (75,000)
Comprehensive loss:          
Net income (loss) 13,220,914       13,220,914
Ending Balance at Sep. 30, 2011 $ 28,477,642 $ 10 $ 95,111 $ 266,106,906 $ (237,724,385)
Ending Balance (in shares) at Sep. 30, 2011   10,083 95,110,527