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Note 14 - Accumulated Other Comprehensive Income (Loss)
 12 Months Ended
Mar. 31, 2018
Notes to Financial Statements  
Comprehensive Income (Loss) Note [Text Block]
Note
14
.
Accumulated
Other
Comprehensive
Income (
Loss
)
 
The following table summarizes the changes in each component of accumulated other comprehensive income (loss) (“AOCI”), net of tax (in thousands):
 
   
Foreign
Currency
Translation
    
AOCI
  
Balance at March 31, 2016
   $
(1,151
 )   $
(1,151
 )
Unrealized losses arising during the year
    
(609
 )    
(609
 )
Balance at March 31, 2017
    
(1,760
 )    
(1,760
 )
Unrealized gains arising during the year
    
2,324
      
2,324
  
Balance at March 31, 2018
   $
564
     $
564