Note 9 - Loans (Details) - Allowance for Losses on Loans and Charge-Offs (USD $)	3 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Mar. 31, 2013
Note 9 - Loans (Details) - Allowance for Losses on Loans and Charge-Offs [Line Items]
Balance	$ 1,032,818	$ 1,161,000	$ 1,161,000
Period-end loans outstanding	87,220,000		89,570,000
Average loans outstanding	89,667,000		95,122,000
Allowance as a percentage of period-end loans	1.17%		1.15%
Net charge-offs as a percentage of average loans	0.11%		0.81%
Provision:
Allowance for loan losses, provision for loss	90,000	80,000	640,000
Charge-Offs:
Allowance for loan losses, charge-offs	105,000
Recoveries	(6,000)		(40,000)
Total Net Charge-Offs	99,000		768,000
Balance	1,023,614		1,032,818
Commercial Loan [Member]
Note 9 - Loans (Details) - Allowance for Losses on Loans and Charge-Offs [Line Items]
Balance	44,000
Period-end loans outstanding	1,120,000		1,166,000
Provision:
Allowance for loan losses, provision for loss	50,000		4,000
Charge-Offs:
Allowance for loan losses, charge-offs	49,000		0
Recoveries	0
Balance	45,000		44,000
Commercial Real Estate [Member]
Note 9 - Loans (Details) - Allowance for Losses on Loans and Charge-Offs [Line Items]
Balance	378,000
Provision:
Allowance for loan losses, provision for loss	13,000		587,000
Charge-Offs:
Allowance for loan losses, charge-offs	10,000		686,000
Recoveries	(1,000)
Balance	382,000		378,000
Residential Real Estate Loans [Member]
Note 9 - Loans (Details) - Allowance for Losses on Loans and Charge-Offs [Line Items]
Balance	485,000
Provision:
Allowance for loan losses, provision for loss	36,000		20,000
Charge-Offs:
Allowance for loan losses, charge-offs	46,000		27,000
Recoveries	0
Balance	475,000		485,000
Home Equity Line of Credit [Member]
Note 9 - Loans (Details) - Allowance for Losses on Loans and Charge-Offs [Line Items]
Balance	48,000
Period-end loans outstanding	8,338,000		8,361,000
Provision:
Allowance for loan losses, provision for loss	1,000		19,000
Charge-Offs:
Allowance for loan losses, charge-offs	0		29,000
Recoveries	0
Balance	49,000		48,000
Consumer Loan [Member]
Note 9 - Loans (Details) - Allowance for Losses on Loans and Charge-Offs [Line Items]
Balance	77,000
Period-end loans outstanding	922,000		960,000
Provision:
Allowance for loan losses, provision for loss	(9,000)		14,000
Charge-Offs:
Allowance for loan losses, charge-offs	0		66,000
Recoveries	(5,000)
Balance	73,000		77,000
Construction [Member]
Note 9 - Loans (Details) - Allowance for Losses on Loans and Charge-Offs [Line Items]
Balance	1,000
Period-end loans outstanding	50,000		83,000
Provision:
Allowance for loan losses, provision for loss	(1,000)		(4,000)
Charge-Offs:
Allowance for loan losses, charge-offs	0
Recoveries	0
Balance	$ 0		$ 1,000