Loans Receivable - Aggregate Balance of Loans by Loan Class Modified in Troubled Debt Restructurings (Detail) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013 SecurityLoan	Jun. 30, 2012 SecurityLoan
Financing Receivable, Modifications [Line Items]
Number of Loans	38	44
Outstanding Recorded Investment	$ 12,381,074	$ 15,590,705
Commercial and Industrial Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	2
Outstanding Recorded Investment	1,605	40,696
Consumer Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans
Outstanding Recorded Investment
Owner Occupied [Member] | 1-4 Family Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	18	19
Outstanding Recorded Investment	3,288,160	3,775,715
Non-Owner Occupied [Member] | 1-4 Family Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	2
Outstanding Recorded Investment	48,147	53,993
Second Mortgage [Member] | 1-4 Family Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	4	5
Outstanding Recorded Investment	413,935	912,147
Second Mortgage [Member] | Multi-Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans
Outstanding Recorded Investment
Second Mortgage [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans
Outstanding Recorded Investment
Home Equity Lines of Credit [Member] | 1-4 Family Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	1
Outstanding Recorded Investment	63,781	63,782
Home Equity Investment Lines of Credit [Member] | 1-4 Family Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans
Outstanding Recorded Investment
Construction [Member] | 1-4 Family Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans
Outstanding Recorded Investment
Construction [Member] | Multi-Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans
Outstanding Recorded Investment
Construction [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans
Outstanding Recorded Investment
Construction Models/Speculative [Member] | 1-4 Family Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans
Outstanding Recorded Investment
Multi-Family Loans [Member] | Multi-Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	1
Outstanding Recorded Investment	287,221	297,979
Commercial [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	10	12
Outstanding Recorded Investment	6,278,069	8,264,020
Lines of Credit [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans
Outstanding Recorded Investment
Lot Loans [Member] | Land Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans
Outstanding Recorded Investment
Acquisition and Development Loans [Member] | Land Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	2	2
Outstanding Recorded Investment	$ 2,000,156	$ 2,182,373