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Investment Securities (Details 1) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Gross unrealized loss and fair value of available-for-sale securities, aggregated by the length of time    
Less Than 12 Months, Fair Value $ 30,286,080 $ 28,513,200
Less Than 12 Months, Unrealized Loss (373,327) (287,841)
12 Months or More, Fair Value 5,793,228 5,643,891
12 Months or More, Unrealized Loss (206,772) (356,109)
Total, Fair Value 36,079,308 34,157,091
Total, Unrealized Loss (580,099) (643,950)
U. S. Government agency bonds [Member]
    
Gross unrealized loss and fair value of available-for-sale securities, aggregated by the length of time    
Less Than 12 Months, Fair Value 2,498,488  
Less Than 12 Months, Unrealized Loss (1,512)  
Total, Fair Value 2,498,488  
Total, Unrealized Loss (1,512)  
U. S. Government agency mortgage-backed securities [Member]
    
Gross unrealized loss and fair value of available-for-sale securities, aggregated by the length of time    
Less Than 12 Months, Fair Value 24,984,401 25,670,832
Less Than 12 Months, Unrealized Loss (175,006) (130,209)
Total, Fair Value 24,984,401 25,670,832
Total, Unrealized Loss (175,006) (130,209)
Corporate bonds [Member]
    
Gross unrealized loss and fair value of available-for-sale securities, aggregated by the length of time    
Less Than 12 Months, Fair Value 2,803,191 2,842,368
Less Than 12 Months, Unrealized Loss (196,809) (157,632)
12 Months or More, Fair Value 5,793,228 5,643,891
12 Months or More, Unrealized Loss (206,772) (356,109)
Total, Fair Value 8,596,419 8,486,259
Total, Unrealized Loss $ (403,581) $ (513,741)