Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2019

Related party transactions [abstract]

Schedule benefits to key executive personnel

	Year ended December 31,
	2019		2018		2017
Short-term benefits	$	3,550	$	2,106	$	1,578
Other long-term benefits		-		63		569
Share-based payment		3,714		2,542		1,689
	$	7,264	$	4,711	$	3,836