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Statement of Changes in Stockholders' Equity (USD $)
Total
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Retained Earnings [Member]
Comprehensive Income [Member]
Balance at Dec. 31, 2011 $ 3,665,952 $ 80,287 $ 64,292,551 $ (25,026) $ (60,681,860) $ 0
Balance (in shares) at Dec. 31, 2011   8,028,779        
Stock-based compensation 31,252 1,331 29,921 0 0 0
Stock-based compensation (in shares)   133,042        
Dividends (1,803,808)       (1,803,808)  
Comprehensive income            
Net income 650,246 0 0 0 650,246 650,246
Other comprehensive income            
Net unrealized gain on investments in securities 12,317 0 0 12,317 0 12,317
Comprehensive income 662,563 0 0 0 0 662,563
Balance at Jun. 30, 2012 $ 2,555,959 $ 81,618 $ 64,322,472 $ (12,709) $ (61,835,422)  
Balance (in shares) at Jun. 30, 2012   8,161,821