Note 3 - Loans and Allowance for Loan Losses (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 3 - Loans and Allowance for Loan Losses (Details) [Line Items]
Impaired Financing Receivable, Interest Income, Accrual Method	$ 200,000	$ 46,000	$ 113,000
Impaired Financing Receivable, Average Recorded Investment	8,665,000	17,244,000	25,899,000
Allowance for Loan and Lease Losses, Write-offs	2,715,000	2,727,000	8,205,000
Weighted-Average Interest Rate on Loans Receivable		5.78%
Troubled Debt Restructurings [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) [Line Items]
Allowance for Loan and Lease Losses, Period Increase (Decrease)	239,724	255,679
Allowance for Loan and Lease Losses, Write-offs	303,345	135,063
Commercial Loans [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) [Line Items]
Allowance for Loan and Lease Losses, Write-offs	2,018,000	1,268,000	5,547,000
Weighted-Average Interest Rate on Loans Receivable	5.09%
Servicing Asset at Amortized Cost	4,672,175	6,531,898
Mortgage Receivable [Member]
Note 3 - Loans and Allowance for Loan Losses (Details) [Line Items]
Servicing Asset at Amortized Cost	$ 94,214	$ 106,079

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The weighted-average interest rate on outstanding loans receivable.

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- Definition

Amount of increase (decrease) of allowance reserve for credit loss.

+ References

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 210

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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-Name Accounting Standards Codification

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- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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- Definition

Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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