Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2022

Disclosure of detailed information about property, plant and equipment [line items]

Summary of Property, Plant and Equipment

	Leasehold improvements			Furniture and other equipment			Total
	US$			US$			US$
COST
As of January 1, 2021		117			394			511
Additions		18			32			50
As of December 31, 2021		135			426			561
Additions		—			367			367
As of December 31, 2022		135			793			928
DEPRECIATION
As of January 1, 2021		(49	)		(99	)		(148	)
Provided for the year		(31	)		(102	)		(133	)
As of December 31, 2021		(80	)		(201	)		(281	)
Provided for the year		(34	)		(128	)		(162	)
As of December 31, 2022		(114	)		(329	)		(443	)
CARRYING VALUES
As of December 31, 2021		55			225			280
As of December 31, 2022		21			464			485

Summary of Depreciation Rates of Property Plant and Equipment

The above items of plant and equipment are depreciated over their estimated useful lives, using straight-line method after taking into account the residual values, at the following rates per annum:

Leasehold improvements	Over the shorter of the relevant lease term or 20%
Furniture and other equipment	14% - 33%