Financial Risk Management Objectives (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure Of Financial Instruments [Abstract]

Summary of Balance of Financial Assets and Liabilities Denominated in a Currency Different from the Company's Reporting Currency

The balance of financial assets and liabilities denominated in a currency different from the Company’s each functional currency are summarized below.

	Financial Assets				Financial Liabilities
	As of December 31,				As of December 31
	2020		2019		2020		2019
United States dollar (USD)		10,025		19,263		7,501		4,802
Thai Baht (THB)		13,241		346		30		87,779
Singapore dollar (SGD)		113		233		6		20
Taiwan dollar (TWD)		3,357		9,711		4,820		7,648
Renminbi (RMB)		18		119		—		—
Hong Kong dollar (HKD)		8,017		7,526		28		83
Euro (EUR)		249		—		413		—

Statements [Line Items]

Summary of Maturity Profile of Financial Liabilities Based on Contractual Undiscounted Payment Obligations

The table below summarizes the maturity profile of the Company’s financial liabilities based on contractual undiscounted payment obligations.

	< 1 year		2 to 3 years		4 to 5 years		> 5 years		Total
	US$’000		US$’000		US$’000		US$’000		US$’000
As of  December 31, 2020
Financial liabilities
Interest-bearing loans and borrowings		10,279		462		463		4,224		15,428
Trade and other payables		27,370		—		—		—		27,370
Due to related parties		10,620		—		—		—		10,620
Lease liability		613		584		431		993		2,621
		48,882		1,046		894		5,217		56,039
As of  December 31, 2019
Financial liabilities
Interest-bearing loans and borrowings		11,484		—		—		—		11,484
Trade and other payables		16,879		—		—		—		16,879
Due to related parties		3,284		—		—		—		3,284
Financial liabilities at fair value through profit or loss		3		—		—		—		3
Lease liability		656		910		444		1,182		3,192
		32,306		910		444		1,182		34,842

Summary of Capital Management

In line with industry practices, the Company monitors capital using a gearing ratio, which is net debt divided by total capital plus net debt. The Company includes within net debt, interest bearing loans and borrowings, trade and other payables, less cash and cash equivalents.

	As of December 31,
	2020			2019
	US$’000			US$’000
Interest bearing loans and borrowings		13,781			11,356
Trade and other payables		27,370			16,879
Less: cash and cash equivalents		(52,237	)		(53,673	)
Net debt		(11,086	)		(25,438	)
Total Equity		234,875			228,435
Capital and net debt		223,789			202,997
Gearing ratio	0.0%			0.0%

Foreign currency risk [Member]

Statements [Line Items]

Sensitivity of Profit Before Tax and Equity to a Reasonably Possible Change of Relevant Risk Variable

The following table demonstrates the sensitivity of the Company’s profit before tax and equity to a reasonably possible change of each foreign currency exchange rates against all other non-functional currencies, with all other variables held constant.

	Change rate	USD			THB			SGD			TWD			RMB			HKD			EUR
	5%		126			22			4			(3	)		—			52			(10	)
2020	-5%		(126	)		(22	)		(4	)		3			—			(52	)		10
	5%		723			(147	)		8			3			1			48			—
2019	-5%		(723	)		147			(8	)		(3	)		(1	)		(48	)		—

Commodity price risk: Copper [Member]

Statements [Line Items]

Sensitivity of Profit Before Tax and Equity to a Reasonably Possible Change of Relevant Risk Variable

Commodity price sensitivity

The following table shows the potential effect of price changes in copper.

	Change in year-end price			Effect on profit before tax			Effect on equity
	US$’000			US$’000			US$’000
2020		+28	%		5,398		N/A
Copper		-28	%		(5,398	)	N/A
2019		-16	%		(3,473	)	N/A
Copper		+16	%		3,473		N/A