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Note 23 - Fair Value Measurements (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Note 23 - Fair Value Measurements (Details) [Line Items]                    
Financial and Nonfinancial Liabilities, Fair Value Disclosure (in Dollars) $ 0       $ 0       $ 0 $ 0
Provision for Loan and Lease Losses (in Dollars) $ 0 $ 0 $ 50,000 $ 0 $ 0 $ 75,000 $ 90,000 $ 25,000 50,000 190,000
Impaired Loan [Member]                    
Note 23 - Fair Value Measurements (Details) [Line Items]                    
Provision for Loan and Lease Losses (in Dollars)                 154,000 49,000
Foreclosed Real Estate [Member]                    
Note 23 - Fair Value Measurements (Details) [Line Items]                    
SEC Schedule III, Real Estate, Write-down or Reserve, Amount (in Dollars)                 $ 100,000 $ 0
Fair Value, Inputs, Level 3 [Member] | Minimum [Member] | Impaired Loan [Member]                    
Note 23 - Fair Value Measurements (Details) [Line Items]                    
Fair Value Inputs Estimated Selling Costs                 10.00% 10.00%
Fair Value, Inputs, Level 3 [Member] | Minimum [Member] | Foreclosed Real Estate [Member]                    
Note 23 - Fair Value Measurements (Details) [Line Items]                    
Fair Value Inputs Estimated Selling Costs                 9.00%  
Fair Value Inputs, Discount Rate                   10.00%
Fair Value, Inputs, Level 3 [Member] | Maximum [Member] | Impaired Loan [Member]                    
Note 23 - Fair Value Measurements (Details) [Line Items]                    
Fair Value Inputs Estimated Selling Costs                 59.00% 48.00%
Fair Value, Inputs, Level 3 [Member] | Maximum [Member] | Foreclosed Real Estate [Member]                    
Note 23 - Fair Value Measurements (Details) [Line Items]                    
Fair Value Inputs Estimated Selling Costs                 43.00%  
Fair Value Inputs, Discount Rate                   60.00%
Fair Value, Inputs, Level 3 [Member] | Weighted Average [Member] | Impaired Loan [Member]                    
Note 23 - Fair Value Measurements (Details) [Line Items]                    
Fair Value Inputs Estimated Selling Costs                 16.00%  
Fair Value, Inputs, Level 3 [Member] | Weighted Average [Member] | Foreclosed Real Estate [Member]                    
Note 23 - Fair Value Measurements (Details) [Line Items]                    
Fair Value Inputs Estimated Selling Costs                 30.00%  
Fair Value Inputs, Discount Rate                   40.00%