Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Summary of Estimated Useful Lives of Property and Equipment

Property and equipment are stated at cost, less accumulated depreciation and amortization. Depreciation is computed using the straight-line method over the estimated useful lives of the respective assets as follows:

	Useful life
Office equipment	3 years
Electronic equipment	1.25-3 years
Vehicles	4 years
Laboratory equipment	5 years
Manufacturing equipment	10 years
Leasehold improvements	lesser of useful life or lease term

Schedule of Concentration of Risks

The following customers accounted for 10% or more of revenue (in thousands):

	Year Ended December 31,
	2022	2021	2020
	$	$	$
A	52,534	40,634	15,774

The following debtors accounted for 10% or more of accounts receivable balances (in thousands):

	December 31,
	2022	2021
	$	$
A	9,342	10,293
B	*	10,979

* Represents less than 10% of accounts receivable as of the applicable date.

Suppliers Accounted for 10% or More of Research and Development Expenses and Inventory Purchases

The following suppliers accounted for 10% or more of research and development expenses and inventory purchases (in thousands):

	Year Ended December 31,
	2022	2021	2020
	$	$	$
C	*	*	33,564
D	*	*	26,710
E	*	165,431	*
F	*	66,650	*

*Represents less than 10% of research and development expenses and inventory purchases for the period.