Earnings Per Common Share ("EPS") - Factors Used in Earnings Per Common Share Computation (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Weighted Average Number Of Shares Outstanding [Line Items]
Net income (loss)	$ 709	$ 1,024	$ 1,842	$ (351)
Basic weighted average shares outstanding	4,704,920	4,811,255	4,757,591	4,811,255
Less: Average unallocated ESOP shares	(358,438)	(380,037)	(360,844)	(382,442)
Basic average shares outstanding	4,346,482	4,431,218	4,396,747	4,428,813
Basic and diluted earnings (loss) per common share	$ 0.16	$ 0.23	$ 0.42	$ (0.08)