Investment Properties (Tables)

12 Months Ended

Dec. 31, 2021

17(a)Net book value of investment properties

	Land not being used for operation		Office buildings for rent			Warehouse			Land leasehold right			Total
	US$’000		US$’000			US$’000			US$’000			US$’000
As of December 31, 2021
Cost		418		716			5,366			98			6,598
Less: Accumulated depreciation		—		(516	)		(270	)		(3	)		(789	)
Net book value		418		200			5,096			95			5,809

As of December 31, 2020
Cost		466		742			5,701			96			7,005
Less: Accumulated depreciation		—		(502	)		(124	)		(1	)		(627	)
Net book value		466		240			5,577			95			6,378

A reconciliation of the net book value of investment properties was as follow:

	2021			2020
	US$’000			US$’000
Net book value at January 1		6,378			730
Addition		—			5,197
Depreciation (included in administrative expenses)		(196	)		(144	)
Transfer from property plant and equipment		—			7
Exchange difference		(373	)		588
Net book value at December 31		5,809			6,378

17(b)The amount recognized in profit or loss arising from the investment properties

	2021			2020			2019
	US$’000			US$’000			US$’000
Rental income derived from investment properties		170			190			78
Direct operating expenses (including repairs and maintenance) generating rental income		(174	)		(145	)		(34	)
Direct operating expenses (including repairs and maintenance) that did not generate rental income		(23	)		—			—
Net profit (loss) arising from investment properties carried at cost		(27	)		45			44

17(c)Measuring investment properties at fair value

The fair value of the investment properties are stated below:

	As of December 31,
	2021		2020
	US$’000		US$’000
Land not being used for operation		10,528		11,521
Office buildings for rent		2,444		2,060
Warehouse		5,658		5,701
Land leasehold right		173		96