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Shareholders' Equity (Tables)
 3 Months Ended
Mar. 31, 2015
Equity [Abstract]  
Components of Accumulated Other Comprehensive Income (Loss)
The components of accumulated other comprehensive income (loss) were as follows:
 
March 31,
2015
 
December 31,
2014
Unrealized gain on investments
$
69

 
$
42

Foreign currency translation adjustments
(3,206
)
 
(46
)
Total accumulated other comprehensive loss
$
(3,137
)
 
$
(4
)