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Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items]      
Loans and Leases Receivable, Allowance $ 8,227 $ 8,349  
Threshold period for considering loans as special mention or classified 75 days    
Financing Receivable, Allowance for Credit Losses, Write-downs (1,820) (2,953) (2,628) [1]
Financing Receivable Modifications Impairment Accrued 11 210  
Portion Based on Historical Loss Rates [Member]
      
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items]      
Loans and Leases Receivable, Allowance 2,795    
Portion Based on Historical Loss Rates Under Former Methodology [Member]
      
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items]      
Loans and Leases Receivable, Allowance 2,173    
Portion Based on Historical Loss Rates Applied to Non-classified Loans [Member]
      
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items]      
Loans and Leases Receivable, Allowance 2,158    
Portion Based on Historical Loss Rates Applied to Classified Loans [Member]
      
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items]      
Loans and Leases Receivable, Allowance 637    
Consumer Real Estate [Member]
      
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items]      
Financing Receivable, Allowance for Credit Losses, Write-downs 71 109  
Commercial Real Estate Loans [Member]
      
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items]      
Other Real Estate, Additions 193    
Financing Receivable, Allowance for Credit Losses 349    
Consumer Real Estate and Commercial Real Estate Loan [Member]
      
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items]      
Financing Receivable, Allowance for Credit Losses, Write-downs $ 263    
Special Mention [Member]
      
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items]      
Increase in Percentage of Allocation Loans Rated Special Mention 50.00%    
Classified Loans [Member]
      
Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans (Details) [Line Items]      
Increase in Percentage of Allocation Loans Rated Classified 100.00%    
[1] Segments reported for December 31, 2011 are presented using the segmentation method in effect for 2011. The Company began reporting under revised segments in 2012.