Note 9 - Loans (Details) - Loans (USD $)	Jun. 30, 2013	Mar. 31, 2013	Mar. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable Gross	$ 87,220,000	$ 89,570,000
Net deferred loan origination fees	(113,000)	(118,000)
Allowance for loan losses	(1,023,614)	(1,032,818)	(1,161,000)
Loans, net	86,084,478	88,419,084
Residential (One to Four Family) Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable Gross	65,278,000	66,598,000
Multi-Family and Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable Gross	11,512,000	12,402,000
Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable Gross	1,120,000	1,166,000
Allowance for loan losses	(45,000)	(44,000)
Home Equity Line of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable Gross	8,338,000	8,361,000
Allowance for loan losses	(49,000)	(48,000)
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable Gross	922,000	960,000
Allowance for loan losses	(73,000)	(77,000)
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Receivable Gross	50,000	83,000
Allowance for loan losses	$ 0	$ (1,000)