Note 9 - Loans (Details) (USD $)	3 Months Ended	12 Months Ended	15 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2013
Note 9 - Loans (Details) [Line Items]
Maximum Loan to One Borrower Limitation, Percentage of Capital Funds	15.00%		15.00%
Maximum Loan to One Borrower Limitation	$ 1,700,000		$ 1,700,000
Additional Loan to One Borrower Limitation if Collateralized, Percentage of Adjusted Capital Funds	10.00%		10.00%
Additional Loan to One Borrower Limitation if Collateralized	1,100,000		1,100,000
Financing Receivable, Recorded Investment, Nonaccrual Status	2,316,000	2,816,000	2,316,000
Non-accrual Loans Receivable, Number of Positions	25		25
Impaired Financing Receivable, Average Recorded Investment	6,087,000	7,245,000
Impaired Financing Receivable, Interest Income, Cash Basis Method	42,000	168,000
Financing Receivable, Recorded Investment, Current	80,051,000		80,051,000
Loans and Leases Receivable, Nonperforming, Accrual of Interest	245,000		245,000
Financing Receivable, Allowance for Credit Losses, Write-downs	49,000
Allowance for Loan Loss to Loans Outstanding Ratio	1.17%		1.17%
Increase (Decrease) in Non-performing Assets			(863,000)
	6.11%	6.81%	6.11%
Including Troubled Debt Restructurings [Member]
Note 9 - Loans (Details) [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	3,900,000	4,400,000	3,900,000
Residential Mortgages [Member] | Downgraded Loans [Member]
Note 9 - Loans (Details) [Line Items]
Non-accrual Loans Receivable, Number of Positions	1		1
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	77,000		77,000
Residential Mortgages [Member] | Removed from Non-Accrual [Member]
Note 9 - Loans (Details) [Line Items]
Financing Receivable, Recorded Investment, Current	140,000		140,000
Residential Mortgages [Member]
Note 9 - Loans (Details) [Line Items]
Non-accrual Loans Receivable, Number of Positions	1		1
Financing Receivable, Recorded Investment, Current	145,000		145,000
Home Equity Loans [Member] | Downgraded Loans [Member]
Note 9 - Loans (Details) [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	8,000		8,000
Home Equity Loans [Member]
Note 9 - Loans (Details) [Line Items]
Financing Receivable, Recorded Investment, Current	463		463
Downgraded Loans [Member]
Note 9 - Loans (Details) [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	85,000		85,000
Partial Charg-offs [Member]
Note 9 - Loans (Details) [Line Items]
Financing Receivable, Allowance for Credit Losses, Write-downs	10,000	56,000	741,699
Total Charge-offs [Member]
Note 9 - Loans (Details) [Line Items]
Financing Receivable, Allowance for Credit Losses, Write-downs	49,000	66,510
Nonaccrual Status [Member]
Note 9 - Loans (Details) [Line Items]
Increase (Decrease) in Finance Receivables	$ (506,000)