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Accumulated Other Comprehensive Income (Loss)
 3 Months Ended
Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Abstract]  
Accumulated Other Comprehensive Income (Loss)
14. Accumulated Other Comprehensive Income (Loss)

The following summarizes changes in accumulated other comprehensive income (loss):

  
Three Months Ended June 30, 2017
  
Three Months Ended June 30, 2016
 
  
Unrealized
Gain
on Short-Term
Investments
  
Foreign
Currency
Translation
  
Total
  
Unrealized
Gain (Loss)
on Short-Term
Investments
  
Foreign
Currency
Translation
  
Total
 
Balance at beginning of period
 
$
528,000
  
$
(7,969,000
)
 
$
(7,441,000
)
 
$
332,000
  
$
(5,184,000
)
 
$
(4,852,000
)
Other comprehensive income (loss), net of tax
  
56,000
   
229,000
   
285,000
   
22,000
   
(535,000
)
  
(513,000
)
Amounts reclassified from accumulated other comprehensive loss, net of tax
  
-
   
-
   
-
   
-
   
-
   
-
 
Balance at end of period
 
$
584,000
  
$
(7,740,000
)
 
$
(7,156,000
)
 
$
354,000
  
$
(5,719,000
)
 
$
(5,365,000
)