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Note 5 - Premises and Equipment (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Note 5 - Premises and Equipment (Details) [Line Items]      
Depreciation $ 3,900,000 $ 3,100,000 $ 2,300,000
Number of Stores 23    
Operating Leases, Rent Expense, Net 6,900,000 6,100,000 5,300,000
Reduction of Rent Expense $ 57,000 $ 99,000 $ 324,000
Minimum [Member]
      
Note 5 - Premises and Equipment (Details) [Line Items]      
Lessee Leasing Arrangements, Operating Leases, Term of Contract 5 years    
Finite-Lived Intangible Asset, Weighted Average Period before Next Renewal or Extension 1 year    
Maximum [Member]
      
Note 5 - Premises and Equipment (Details) [Line Items]      
Lessee Leasing Arrangements, Operating Leases, Term of Contract 10 years    
Finite-Lived Intangible Asset, Weighted Average Period before Next Renewal or Extension 5 years