Consolidated Statements of Changes in Stockholders' Equity (Parentheticals) (USD $)	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Common Stock Held By ESOP [Member]
Common stock transferred to ESOP for services, shares (in Shares)	3,204.05	3,204.05
Accumulated Other Comprehensive Income (Loss) [Member]
Deferred income taxes, change in unrealized gain	2,385	(1,478)
Deferred income taxes, postretirement benefit plan	2,993