Note 7 - Federal Home Loan Bank of Indianapolis Advances (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Note 7 - Federal Home Loan Bank of Indianapolis Advances (Details) [Line Items]
Long-term Federal Home Loan Bank Advances (in Dollars)	$ 68,000,000	$ 54,022,000
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)	442,000,000
Line of Credit Facility, Remaining Borrowing Capacity (in Dollars)	374,000,000
Federal Home Loan Bank of Indianapolis [Member]
Note 7 - Federal Home Loan Bank of Indianapolis Advances (Details) [Line Items]
Long-term Federal Home Loan Bank Advances (in Dollars)	$ 68,000,000	$ 54,000,000
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate, Range from	1.22%	0.62%
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate, Range to	2.11%	1.51%
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Weighted Average Interest Rate	1.49%	1.26%

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Describes the weighted average interest rate applicable to the specific advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph (b)

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-Name Accounting Standards Codification

-Topic 210

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-Section S99

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-Subparagraph (SX 210.5-02.19(b))

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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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Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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-Publisher FASB

-Name Accounting Standards Codification

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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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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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