Fair Value Measurements and Disclosures (Details 4) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Changes in the fair value, other real estate    
Balance, beginning of period $ 6,153,238 $ 5,744,150
Loans transferred to ORE 1,891,673 3,221,510
Sales (368,800) (2,101,416)
Writedowns (153,300) (711,006)
Balance, end of period $ 7,522,811 $ 6,153,238