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Loans Receivable - Summary of Changes in Allowance for Loan Losses (Detail) (USD $)
12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Receivables [Abstract]      
Beginning balance $ 16,052,865 $ 29,996,893 $ 31,519,466
Provision for loan losses 2,050,000 6,982,000 13,540,000
Loans charged-off (5,048,022) (21,804,057) (15,528,353)
Recoveries 871,498 878,029 465,780
Ending balance $ 13,926,341 $ 16,052,865 $ 29,996,893