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Note 2 - Summary of Significant Accounting Policies (Tables)
 9 Months Ended
Sep. 30, 2015
Notes Tables  
Comprehensive Income (Loss) [Table Text Block]
 
 
Three Months Ended
September
30,
 
 
Nine Months Ended
September
30,
 
 
 
2015
 
 
2014
 
 
2015
 
 
2014
 
Foreign currency translation adjustments
(
1
)
   $ (3,900
)
   $ (1,355
)
   $ (5,155
)
   $ (1,421
)
Realized losses reclassified into earnings, net of tax
(
2
)
     —       —       666       526  
Other comprehensive loss, net of tax
   $ (3,900
)
   $ (1,355
)
   $ (4,489
)
   $ (895
)