Supplemental Balance Sheet Information (Tables)

9 Months Ended

Sep. 30, 2018

Balance Sheet Related Disclosures [Abstract]

Schedule of prepaid expenses and other current assets

Prepaid expenses and other current assets consist of the following:

	As of
	September 30,	December 31,
	2018	2017
	$	$
Prepaid research and development costs	42,932	21,156
Prepaid taxes	16,720	9,894
Interest receivable	2,791	1,557
Other	7,482	3,016
Total	69,925	35,623

Schedule of other non-current assets

Other non-current assets consist of the following:

	As of
	September 30,	December 31,
	2018	2017
	$	$
Prepayment of property and equipment	11,003	12,867
Prepayment of assets acquisition	7,946	—
Tax on intra-entity contribution of subsidiary	—	28,588
Prepaid VAT	7,955	—
Rental deposits and other	2,004	1,460
Total	28,908	42,915

Schedule of accrued expenses and other payables

Accrued expenses and other payables consist of the following:

	As of
	September 30,	December 31,
	2018	2017
	$	$
Compensation related	20,899	17,051
External research and development activities related	33,739	18,721
Sales rebates and returns related	4,076	3,997
Professional fees and other	17,168	9,829
Total	75,882	49,598

Schedule of other long-term liabilities

Other long-term liabilities consist of the following:

	As of
	September 30,	December 31,
	2018	2017
	$	$
Deferred government grant income	34,252	31,804
Other	627	155
Total	34,879	31,959