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Note 7 - Loans and Allowance for Loan Losses (Details) - Risk Category of Loans by Class-Consumer (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Note 7 - Loans and Allowance for Loan Losses (Details) - Risk Category of Loans by Class-Consumer [Line Items]    
Loans $ 983,919 $ 999,883
Consumer Secured [Member] | Performing Financing Receivable [Member]
    
Note 7 - Loans and Allowance for Loan Losses (Details) - Risk Category of Loans by Class-Consumer [Line Items]    
Loans 8,017 8,576
Consumer Secured [Member] | Nonperforming Financing Receivable [Member]
    
Note 7 - Loans and Allowance for Loan Losses (Details) - Risk Category of Loans by Class-Consumer [Line Items]    
Loans 2 3
Consumer Secured [Member] | Total [Member]
    
Note 7 - Loans and Allowance for Loan Losses (Details) - Risk Category of Loans by Class-Consumer [Line Items]    
Loans 8,019 8,579
Consumer Secured [Member]
    
Note 7 - Loans and Allowance for Loan Losses (Details) - Risk Category of Loans by Class-Consumer [Line Items]    
Loans 8,019 8,579
Consumer Unsecured [Member] | Performing Financing Receivable [Member]
    
Note 7 - Loans and Allowance for Loan Losses (Details) - Risk Category of Loans by Class-Consumer [Line Items]    
Loans 5,986 6,461
Consumer Unsecured [Member] | Nonperforming Financing Receivable [Member]
    
Note 7 - Loans and Allowance for Loan Losses (Details) - Risk Category of Loans by Class-Consumer [Line Items]    
Loans 50 52
Consumer Unsecured [Member] | Total [Member]
    
Note 7 - Loans and Allowance for Loan Losses (Details) - Risk Category of Loans by Class-Consumer [Line Items]    
Loans 6,036 6,513
Consumer Unsecured [Member]
    
Note 7 - Loans and Allowance for Loan Losses (Details) - Risk Category of Loans by Class-Consumer [Line Items]    
Loans $ 6,036 $ 6,513