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Accumulated Other Comprehensive Income (Loss) (Tables)
3 Months Ended
Jun. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Abstract]  
Accumulated other comprehensive income (loss)
The changes in accumulated other comprehensive income (loss) for the three months ended June 30, 2015 and 2014 is as follows:

  
Three Months Ended June 30, 2015
  
Three Months Ended June 30, 2014
 
  
Unrealized
Gain (Loss)
on Short-Term
Investments
  
Foreign
Currency
Translation
  
Total
  
Unrealized
Gain (Loss)
on Short-Term
Investments
  
Foreign
Currency
Translation
  
Total
 
Balance at beginning of period
 
$
345,000
  
$
(2,863,000
)
 
$
(2,518,000
)
 
$
321,000
  
$
(1,198,000
)
 
$
(877,000
)
Other comprehensive (loss) income, net of tax
  
(6,000
)
  
(349,000
)
  
(355,000
)
  
10,000
   
45,000
   
55,000
 
Amounts reclassified from accumulated other comprehensive loss, net of tax
  
-
   
-
   
-
   
-
   
-
   
-
 
Balance at end of period
 
$
339,000
  
$
(3,212,000
)
 
$
(2,873,000
)
 
$
331,000
  
$
(1,153,000
)
 
$
(822,000
)