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Investment Securities (Details 1) (USD $)
Jun. 30, 2012
Dec. 31, 2011
The amortized cost and fair value of debt securities    
Amortized cost $ 222,598,469 $ 208,224,488
Gross unrealized gains 5,741,586 5,623,933
Gross unrealized losses 70,314 42,420
Fair value, Total 228,269,741 213,806,001
U.S. treasury [Member]
   
The amortized cost and fair value of debt securities    
Amortized cost 1,999,725 1,999,643
Gross unrealized gains 41,056 54,459
Fair value, Total 2,040,781 2,054,102
Government sponsored enterprises [Member]
   
The amortized cost and fair value of debt securities    
Amortized cost 70,281,580 69,703,105
Gross unrealized gains 768,340 628,888
Gross unrealized losses 1,267 18,015
Fair value, Total 71,048,653 70,313,978
Asset-backed securities [Member]
   
The amortized cost and fair value of debt securities    
Amortized cost 117,286,545 103,805,717
Gross unrealized gains 3,652,551 3,546,712
Gross unrealized losses 49,799 23,811
Fair value, Total 120,889,297 107,328,618
Obligations of states and political subdivisions [Member]
   
The amortized cost and fair value of debt securities    
Amortized cost 33,030,619 32,716,023
Gross unrealized gains 1,279,639 1,393,874
Gross unrealized losses 19,248 594
Fair value, Total $ 34,291,010 $ 34,109,303