Loans Receivable - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended
	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Jun. 30, 2012
Financing Receivable, Modifications [Line Items]
Loans matured and continue to make current payments		$ 3,700,000		$ 6,300,000
Recorded investments individually impaired loans		12,381,074		15,590,705
Specific reserves allocated to modified term customers		138,706		153,391
Troubled debt restructured loans		1,247,035		1,805,855
Charge offs from increase in allowance for loan losses	182,328		110,000
Increase in allowance for loan losses	39,981		76,376
Post-Modification Outstanding Recorded Investment	234,441	199,884	2,997,600
Minimum [Member]
Financing Receivable, Modifications [Line Items]
Loans classified as troubled debt restructurings, extension of maturity date		12 months
Maximum [Member]
Financing Receivable, Modifications [Line Items]
Loans classified as troubled debt restructurings, extension of maturity date		24 months
Nonperforming Loans [Member]
Financing Receivable, Modifications [Line Items]
Troubled debt restructured loans		$ 0		$ 116,065
Number of Nonperforming loans		2		2