Segment and geographic information

3 Months Ended

Mar. 31, 2019

The Company operates in one segment. The Company’s long-lived assets are substantially located in the PRC. Net product revenues by geographic area are based upon the location of the customer, and net collaboration revenue is recorded in the jurisdiction in which the related income is expected to be sourced from. Total net revenues by geographic area are presented as follows:



	Three Months Ended
	March 31,
	2019	2018
	$	$
PRC	57,421	23,250
United States	13,268	6,041
Other	7,144	3,253
Total	77,833	32,544