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Shareholders' Equity (Tables)
 6 Months Ended
Jun. 30, 2015
Equity [Abstract]  
Components of Accumulated Other Comprehensive Loss
The components of accumulated other comprehensive loss were as follows:
 
June 30,
2015
 
December 31,
2014
Unrealized gain on investments
$
61

 
$
42

Foreign currency translation adjustments
(2,346
)
 
(46
)
Total accumulated other comprehensive loss
$
(2,285
)
 
$
(4
)