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Note 14 - Accumulated Other Comprehensive Income (Loss)
 9 Months Ended
Sep. 30, 2018
Notes to Financial Statements  
Comprehensive Income (Loss) Note [Text Block]
14.
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
 
The following table summarizes the changes in accumulated other comprehensive income (loss) (in thousands):
 
   
Unrealized Losses
on Available-for-
Sale Securities
    
Foreign Currency
Translation
Adjustments
    
Total
  
Balance as of January 1, 2018   $
(1,364
 )   $
3,177
     $
1,813
  
Other comprehensive income (loss) before reclassifications
    
(1,185
 )    
4,389
      
3,204
  
Amounts reclassified from accumulated other comprehensive income (loss)
    
25
      
-
      
25
  
Net current period other comprehensive income (loss)
    
(1,160
 )    
4,389
      
3,229
  
Balance as of March 31, 2018    
(2,524
 )    
7,566
      
5,042
  
Other comprehensive income (loss) before reclassifications
    
94
      
(6,862
 )    
(6,768
 )
Amounts reclassified from accumulated other comprehensive income (loss)
    
21
      
-
      
21
  
Net current period other comprehensive income (loss)
    
115
      
(6,862
 )    
(6,747
 )
Balance as of June 30, 2018    
(2,409
 )    
704
      
(1,705
 )
Other comprehensive income (loss) before reclassifications
    
242
      
(4,526
 )    
(4,284
 )
Amounts reclassified from accumulated other comprehensive income (loss)
    
8
      
-
      
8
  
Tax effect
    
241
      
-
      
241
  
Net current period other comprehensive income (loss)
    
491
      
(4,526
 )    
(4,035
 )
Balance as of September 30, 2018   $
(1,918
 )   $
(3,822
 )   $
(5,740
 )
 
 
The amounts reclassified from accumulated other comprehensive income (loss) were recorded in interest and other income, net, in the Condensed Consolidated Statements of Operations.