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Note 13 - Comprehensive Income
 12 Months Ended
Mar. 31, 2016
Notes to Financial Statements  
Comprehensive Income (Loss) Note [Text Block]
Note
13. Comprehensive Income
 
The following table summarizes the changes in each component of accumulated other comprehensive income (“AOCI”), net of tax (in thousands):
 
 
 
Foreign
Currency
Translation
 
 
AOCI
 
Balance at March 31, 2013
   $ --     $ --  
Unrealized losses arising during the year
     --       --  
Balance at March 31, 2014
     --       --  
Unrealized losses arising during the year
     (234 )     (234 )
Balance at March 31, 2015
     (234 )     (234 )
Unrealized losses arising during the year
     (917 )     (917 )
Balance at March 31, 2016
   $ (1,151 )   $ (1,151 )