Segment and geographic information (Tables)

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Schedule of net product revenues by geographic area

Total net revenues by geographic area are presented as follows:

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2020	2019	2020	2019
	$	$	$	$
PRC	85,384	50,141	199,301	165,704
United States	5,696	—	9,473	133,650
Other	—	—	—	71,966
Total	91,080	50,141	208,774	371,320