Note 7 - Other Borrowed Money (Details)	Sep. 30, 2015 USD ($)
Note 7 - Other Borrowed Money (Details) [Line Items]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Due Date, Earliest	2018
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Due Date, Last	2022
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate, Range from	1.47%
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate, Range to	4.75%
Pledged Financial Instruments, Not Separately Reported, Loans Receivable Pledged as Collateral	$ 104,494,000
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds	130,570,000
Line of Credit Facility, Current Borrowing Capacity	43,500,000
Long-term Line of Credit	0
Repurchase Agreements [Member]
Note 7 - Other Borrowed Money (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	50,000,000
Federal Reserve Bank Advances [Member]
Note 7 - Other Borrowed Money (Details) [Line Items]
Short-term Debt	$ 0

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Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

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The earliest year of maturity for the advances from the Federal Home Loan Bank as of the Balance Sheet date.

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The last year of maturity for the advances from the Federal Home Loan Bank as of the Balance Sheet date.

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States the lowest interest rate applicable to any of the advances from the Federal Home Loan Bank as of the Balance Sheet date.

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States the highest interest rate applicable to any of the advances from the Federal Home Loan Bank as of the Balance Sheet date.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The sum of the carrying amounts, as of the date of the latest financial statement presented, of loans receivable which are owned but transferred to serve as collateral for the payment of related debt obligations, primarily secured borrowings and repurchase agreements, and for which the transferees are not permitted to sell or re-pledge them to an unrelated party.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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