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Income taxes (Tables)
3 Months Ended
Mar. 31, 2020
Income Tax Disclosure [Abstract]  
Activities Related to Unrecognized Tax Benefits for Uncertain Tax Positions

 

The following table summarizes activities related to the Company’s unrecognized tax benefits for uncertain tax positions for the three months ended March 31, 2020:   

 

 

 

2020

 

Opening balance at January 1

 

$

31,029

 

Decrease related to prior year tax positions

 

 

(65

)

Effect of exchange rate changes

 

 

(1,270

)

Closing balance at March 31

 

$

29,694