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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) 890,812     890,812    
Unrealized holding gain (loss) on available for sale securities, net of taxes 185,255         185,255
Total comprehensive income (loss) 1,076,067          
Share-based compensation expense 133,128   133,128      
Issuance of restricted stock   1,043 (1,043)      
Issuance of restricted stock, Shares   104,346        
Ending balance at Jun. 30, 2012 51,758,855 384,787 105,182,518 (53,968,019) (160,025) 319,594
Ending balance, Shares at Jun. 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) (5,868,798)     (5,868,798)    
Unrealized holding gain (loss) on available for sale securities, net of taxes (574,445)         (574,445)
Total comprehensive income (loss) (6,443,243)          
Share-based compensation expense 15,211   15,211      
Redemption of restricted stock   (348) 348      
Redemption of restricted stock, shares   (34,788)        
Ending balance at Jun. 30, 2013 $ 43,139,766 $ 384,570 $ 105,371,239 $ (61,263,793) $ (160,025) $ (1,192,225)
Ending balance, Shares at Jun. 30, 2013   38,445,326