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Income taxes (Tables)
 6 Months Ended
Jun. 30, 2017
Income taxes  
Income (Loss) before Income Taxes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended

 

 

Six Months Ended

 

 

 

 

June 30, 

 

 

June 30, 

 

 

 

 

2017

 

2016

 

 

2017

 

2016

 

 

Income tax (provision) benefit

 

$

451

 

$

(626)

 

 

$

618

 

$

(1,667)