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Note 9 - Derivative Instruments and Hedging Activities (Tables)
9 Months Ended
Sep. 30, 2017
Notes Tables  
Schedule of Derivative Instruments [Table Text Block]
   
September 30, 2017
   
December 31, 2016
 
   
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
  $
5,892
    $
-
    $
151
    $
4,835
    $
-
    $
167
 
Total derivatives
  $
5,892
    $
-
    $
151
    $
4,835
    $
-
    $
167
 
Derivative Instruments, Gain (Loss) [Table Text Block]
   
Three Months Ended September 30,
   
Nine Months Ended September 30,
 
 
(Amounts in thousands)
 
2017
   
2016
   
2017
   
2016
 
Income Statement Location
Derivatives designated as hedges
                                 
Interest rate swaps
  $
23
    $
31
    $
64
    $
86
 
Interest and fees on loans
Total derivative expense
  $
23
    $
31
    $
64
    $
86