Loans Receivable and Allowance for Loan Losses (Details 1) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Beginning balance $ 7,743,470 $ 6,271,045
Provision charged to operations 600,000 5,403,416
Recoveries on loans previously charged-off 592,482 639,211
Loans charged-off (3,693,957) (4,570,202)
Ending balance $ 5,241,995 $ 7,743,470