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Consolidated Statements of Shareholders' Equity (USD $)
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance at Dec. 31, 2011 $ 50,549,660 $ 383,744 $ 105,050,433 $ (54,858,831) $ (160,025) $ 134,339
Beginning balance, Shares at Dec. 31, 2011   38,362,727        
Comprehensive income (loss)            
Net income (loss) 908,837     908,837    
Unrealized holding gain (loss) on available for sale securities, net of taxes (562,237)         (562,237)
Total comprehensive income (loss) 346,600          
Share-based compensation expense 236,138   236,138      
Issuance of restricted stock   1,043 (1,043)      
Issuance of restricted stock, Shares   104,346        
Ending balance at Sep. 30, 2012 51,132,398 384,787 105,285,528 (53,949,994) (160,025) (427,898)
Ending balance, Shares at Sep. 30, 2012   38,467,073        
Beginning balance at Dec. 31, 2012 49,567,798 384,918 105,355,680 (55,394,995) (160,025) (617,780)
Beginning balance, Shares at Dec. 31, 2012   38,480,114        
Comprehensive income (loss)            
Net income (loss) (8,238,746)     (8,238,746)    
Unrealized holding gain (loss) on available for sale securities, net of taxes (838,567)         (838,567)
Total comprehensive income (loss) (9,077,313)          
Share-based compensation expense 70,541   70,541      
Net issuance of restricted stock   1,891 (1,891)      
Net issuance of restricted stock, Shares   189,092        
Ending balance at Sep. 30, 2013 $ 40,561,026 $ 386,809 $ 105,424,330 $ (63,633,741) $ (160,025) $ (1,456,347)
Ending balance, Shares at Sep. 30, 2013   38,669,206