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Note 5 - Accumulated Other Comprehensive Loss
 3 Months Ended
Mar. 31, 2021
Notes to Financial Statements  
Comprehensive Income (Loss) Note [Text Block]
5.
     Accumulated Other Comprehensive Loss
 
The changes in accumulated other comprehensive loss by component were as follows:
 
   
Three Months Ended
  
   
March 31,
  
   
2021
    
2020
  
Foreign currency translation
      
 
      
 
Balance at beginning of period
   $
(1,370
 )   $
(1,778
 )
Other comprehensive loss:
                
Foreign currency translation adjustments (1)
    
(193
 )    
(231
 )
Total accumulated other comprehensive loss
   $
(1,563
 )   $
(2,009
 )
 
(
1
)
In all periods presented, there were
no
tax impacts related to rate changes and
no
amounts were reclassified to earnings.