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Accumulated Other Comprehensive Loss (Tables)
9 Months Ended
Sep. 30, 2014
Accumulated Other Comprehensive Loss [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
The components of accumulated other comprehensive loss, net of tax, are as follows:
 
 
Foreign currency translation adjustments
 
Net unrealized losses on available-for-sale investments
 
Accumulated other comprehensive loss
Beginning Balance, December 31, 2013
 
$
1,645

 
$
150

 
$
1,795

    Net current period other comprehensive loss
 
59

 
(188
)
 
(129
)
    Reclassifications
 

 

 

Ending balance, September 30, 2014
 
$
1,704

 
$
(38
)
 
$
1,666