Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property Plant And Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment consist of the following:

	As of December 31,
	2016			2017
	$			$
Office equipment		49,432			273,339
Electronic equipment		66,271			160,772
Vehicle		76,636			81,360
Laboratory equipment		593,582			1,686,133
Manufacturing equipment		—			2,832,726
Leasehold improvements		465,428			3,227,150
Construction in progress		252,509			4,252,894
		1,503,858			12,514,374
Less: accumulated depreciation		(257,800	)		(660,610	)
Property and equipment, net		1,246,058			11,853,764