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Note 10 - Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2019
Notes Tables  
Summary Of Financial Instrument Outstanding [Table Text Block]
   
Contract Amount
 
   
March
3
1
, 201
9
   
December 31, 2018
 
                 
Loan Commitments
 
$
120,676
    $
98,736
 
Letters of Credit
 
 
1,521
     
1,525