Investment Properties (Tables)

12 Months Ended

Dec. 31, 2020

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, 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

As of December 31, 2019
Cost		467		716			—			—			1,183
Less: Accumulated depreciation		—		(453	)		—			—			(453	)
Net book value		467		263			—			—			730

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

	2020			2019
	US$’000			US$’000
Net book value at January 1		730			720
Addition		5,197			—
Depreciation (included in administrative expenses)		(144	)		(33	)
Transfer from property plant and equipment		7			—
Exchange difference		588			43
Net book value at December 31		6,378			730

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

Undiscounted lease payments receivable to be received during the lease terms are immaterial.

	2020			2019			2018
	US$’000			US$’000			US$’000
Rental income derived from investment properties		190			78			84
Direct operating expenses (including repairs and maintenance) generating rental income		(145	)		(34	)		(36	)
Net profit arising from investment properties carried at cost		45			44			48

17(c)Measuring investment properties at fair value (continued)

The fair value of the investment properties are stated below:

	As of December 31,
	2020		2019
	US$’000		US$’000
Land not being used for operation		11,521		11,566
Office buildings for rent		2,060		1,460
Warehouse		5,701		—
Land leasehold right		96		—