Other financial assets (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure of financial assets [abstract]

Disclosure of detailed information about other financial assets [Table Text Block]

		Dec. 31, 2020		Dec. 31, 2019
Current
Derivative assets	$	2,736	$	1,712
Restricted cash		337		337
		3,073		2,049
Non-current
Investments at fair value through profit or loss		15,669		11,287
	$	18,742	$	13,336