Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity (Deficit)

v2.4.0.6
Consolidated Statements of Stockholders' Equity (Deficit) (USD $)
Total
Employees and Directors
Preferred Stock
Common Stock
Preferred Stock
Common Stock
Common Stock
Employees and Directors
Additional Paid-In Capital
Additional Paid-In Capital
Preferred Stock
Additional Paid-In Capital
Common Stock
Accumulated Deficit
Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Dec. 31, 2008 $ (3,025,725)         $ 70,863   $ 145,742,044     $ (148,840,015) $ 1,383
Beginning Balance (in shares) at Dec. 31, 2008           70,862,641            
Issued stock in payment of interest on convertible debt and dividends on convertible preferred stock (in shares)           1,393,239            
Issued stock in payment of interest on convertible debt and dividends on convertible preferred stock 1,031,333         1,393   1,029,940        
Effect of adopting new provisions of FASB ASC Topic 815 (12,961,040)             (8,948,089)     (4,012,951)  
Cancelled restricted stock (in shares)           (9,000)            
Cancelled restricted stock           (9)   9        
Issued stock to 401(k) plan (in shares)           80,883            
Issued stock to 401(k) plan 33,473         81   33,392        
Issued stock upon exercise of options, net of costs (in shares)           400,441            
Issued stock upon exercise of options, net of costs 124,616         400   124,216        
Issued stock upon exercise of warrants, net (in shares)           6,948,507            
Issued stock upon exercise of warrants, net 6,541,934         6,949   6,534,985        
Issued restricted stock (in shares)             1,260,000          
Issued restricted stock   1,260         1,260          
Effect of change in terms of notes payable, preferred stock and warrants 37,999,312             37,999,312        
Stock compensation expense 445,411             445,411        
Preferred stock dividends, including deemed dividends (240,000)                   (240,000)  
Net income (loss) (39,605,720)                   (39,605,720)  
Unrealized loss on available-for-sale securities (1,383)                     (1,383)
Paid issuance costs     (6,323) (207,000)         (6,323) (207,000)    
Ending Balance at Dec. 31, 2009 (9,869,852)         80,937   182,747,897     (192,698,686)  
Ending Balance (in shares) at Dec. 31, 2009           80,936,711            
Issued stock in payment of interest on convertible debt and dividends on convertible preferred stock (in shares)           347,832            
Issued stock in payment of interest on convertible debt and dividends on convertible preferred stock 476,667         348   476,319        
Cancelled restricted stock (in shares)           (4,500)            
Cancelled restricted stock           (5)   5        
Issued stock to 401(k) plan (in shares)           53,499            
Issued stock to 401(k) plan 40,623         53   40,570        
Issued stock upon exercise of options, net of costs (in shares)           350,156            
Issued stock upon exercise of options, net of costs (63,705)         350   (64,055)        
Issued stock in connection with stock purchase agreement, net of costs (in shares)           660,541            
Issued stock in connection with stock purchase agreement, net of costs 777,458         661   776,797        
Issued Series B and Series C convertible preferred stock, net of costs (in shares)         11,000              
Issued Series B and Series C convertible preferred stock, net of costs 64,636,821       11     64,636,810        
Issued restricted stock (in shares)           660,000            
Issued restricted stock 660         660            
Issued warrants in connection with consulting agreement 279,367             279,367        
Issued stock upon exercise of warrants and other (in shares)           157,778            
Issued stock upon exercise of warrants and other 316,818         158   316,660        
Issued common stock and warrants in connection with direct offering, net of costs (in shares)           3,157,896            
Issued common stock and warrants in connection with direct offering, net of costs 4,309,951         3,158   4,306,793        
Effect of change in terms of notes payable, preferred stock and warrants 800,878             800,878        
Stock compensation expense 597,672             597,672        
Preferred stock dividends, including deemed dividends (8,206,745)                   (8,206,745)  
Net income (loss) (49,964,868)                   (49,964,868)  
Ending Balance at Dec. 31, 2010 4,131,745       11 86,320   254,915,713     (250,870,299)  
Ending Balance (in shares) at Dec. 31, 2010         11,000 86,319,913            
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 options, net of costs (in shares)           1,832,673            
Issued stock upon exercise of options, net of costs (2,498,223)         1,832   (2,500,055)        
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 restricted stock (in shares)           872,000            
Issued restricted stock 872         872            
Effect of change in terms of notes payable, preferred stock and 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)        
Effect of beneficial conversion feature of promissory note 24,888             24,888        
Stock compensation expense 3,592,090             3,592,090        
Preferred stock dividends, including deemed dividends (100,000)                   (100,000)  
Net income (loss) 5,612,992                   5,612,992  
Ending Balance at Dec. 31, 2011 $ 21,131,747       $ 10 $ 95,399   $ 266,393,645     $ (245,357,307)  
Ending Balance (in shares) at Dec. 31, 2011         10,083 95,398,961