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Note 6 - Other Comprehensive Income (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Comprehensive Income (Loss) [Table Text Block]
   
For the period ended March 31,
 
(Dollars in thousands)
 
2020
   
2019
 
Securities available for sale:
 
Before
tax
   
Tax
effect
   
Net of
tax
   
Before
tax
   
Tax
effect
   
Net of
tax
 
Net unrealized gains arising during the period
  $
1,770
     
495
     
1,275
     
671
     
187
     
484
 
Other comprehensive income
  $
1,770
     
495
     
1,275
     
671
     
187
     
484