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Consolidated Statements of Shareholders' Equity (Unaudited) (USD $)
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Treasury Stock
Accumulated Other Comprehensive Income (Loss)
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 loss            
Net income (loss) 545,530     545,530    
Unrealized holding gain on available for sale securities, net of taxes 62,399         62,399
Total comprehensive loss 607,929          
Share-based compensation expense 79,631   79,631      
Issuance of restricted stock   1,043 (1,043)      
Issuance of restricted stock, Shares   104,346        
Ending balance at Mar. 31, 2012 51,237,220 384,787 105,129,021 (54,313,301) (160,025) 196,738
Ending balance, Shares at Mar. 31, 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 loss            
Net income (loss) (1,956,967)     (1,956,967)    
Unrealized holding gain on available for sale securities, net of taxes 54,961         54,961
Total comprehensive loss (1,902,006)          
Share-based compensation expense 7,651   7,651      
Ending balance at Mar. 31, 2013 $ 47,673,443 $ 384,918 $ 105,363,331 $ (57,351,962) $ (160,025) $ (562,819)
Ending balance, Shares at Mar. 31, 2013   38,480,114