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Note 9 - Accumulated Other Comprehensive Income (Loss)
3 Months Ended
Mar. 31, 2018
Notes to Financial Statements  
Comprehensive Income (Loss) Note [Text Block]
9
Accumulated Other Comprehensive Income
(Loss)
 
The following table shows the components of accumulated other comprehensive loss, net of tax, (in thousands):
 
   
Available
for Sale
Securities
 
Balance as of December 31, 2017
  $
 
Change in fair value
   
 
Income tax expense
   
 
Balance at March 31, 2018
  $
 
 
   
Available
for Sale
Securities
 
Balance as of December 31, 2016
  $
(286
)
Change in fair value
   
 
Income tax expense
   
 
Balance at March 31, 2017
  $
(286
)