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Employee Stock Ownership Plan (Details) (USD $)
Mar. 31, 2013
Mar. 31, 2012
Employee Stock Ownership Plan Details    
Allocated shares 449,338 433,754
Committed-to-be-released shares 15,000 15,625
Unreleased shares 121,666 141,875
Total shares held by the ESOP 586,004 591,254
Fair value of unreleased shares $ 3,152,366 $ 3,511,406