Condensed Consolidated Statements Changes In Stockholder's Equity (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Paid-In Capital [Member]	Retained Earnings [Member]	Unearned ESOP Shares [Member]	Unearned Shares Stock-Based Incentive Plans [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance, at beginning of period at Mar. 31, 2011	$ 69	$ 59,876	$ 20,091	$ (1,714)	$ (386)	$ (7,431)	$ 186	$ 70,691
Common stock, shares issued	6,938,087
Compensation cost for stock-based incentive plans		33			34			67
Dividends paid			(179)					(179)
Comprehensive income:
Net income			779					779
Other comprehensive income, net of tax effect							406	406
Balance, at end of period at Jun. 30, 2011	69	59,909	20,691	(1,714)	(352)	(7,431)	592	71,764
Balance, at beginning of period at Mar. 31, 2012	69	60,001	23,942	(1,476)		(9,625)	459	73,370
Proceeds from exercise of stock options		13						13
Proceeds from exercise of stock options, number of options	1,421
Common stock, shares issued	6,947,012							6,947,012
Compensation cost for stock-based incentive plans		6						6
Dividends paid			(170)					(170)
Treasury stock purchases						(1,496)		(1,496)
Comprehensive income:
Net income			801					801
Other comprehensive income, net of tax effect							160	160
Balance, at end of period at Jun. 30, 2012	$ 69	$ 60,020	$ 24,573	$ (1,476)		$ (11,121)	$ 619	$ 72,684