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Note 9 - Derivative Instruments and Hedging Activities (Tables)
9 Months Ended
Sep. 30, 2018
Notes Tables  
Schedule of Derivative Instruments [Table Text Block]
   
September 30, 2018
   
December 31, 2017
 
   
Notional or
 
 
Fair Value
   
Notional or
 
 
Fair Value
 
(Amounts in thousands)
 
Contractual
Amount
   
Derivative
Assets
   
Derivative
Liabilities
   
Contractual
Amount
   
Derivative
Assets
   
Derivative
Liabilities
 
Derivatives designated as hedges
                                               
Interest rate swaps
  $
5,567
    $
145
    $
-
    $
5,813
    $
-
    $
90
 
Total derivatives
  $
5,567
    $
145
    $
-
    $
5,813
    $
-
    $
90
 
Derivative Instruments, Gain (Loss) [Table Text Block]
   
Three Months Ended September 30,
   
Nine Months Ended September 30,
 
Income Statement
(Amounts in thousands)
 
2018
   
2017
   
2018
   
2017
 
Location
Derivatives designated as hedges
                                 
Interest rate swaps
  $
6
    $
23
    $
27
    $
64
 
Interest and fees on loans
Total derivative expense
  $
6
    $
23
    $
27
    $
64