Employee benefits expense (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2023

Dec. 31, 2022

Dec. 31, 2021

Employee benefits expense

Schedule of employee benefits expense

	Three months ended March 31
US$ thousand	2023		2022
Included in cost of goods sold:
Wages and salaries	$	(11,716)	$	(11,660)
Defined contribution plans		(1,574)		(1,513)
Other employee benefits		—		(3)
Total	$	(13,290)	$	(13,176)

US$ thousand	2022	2021
Included in cost of goods sold:
Wages and salaries	(44,189)	(47,089)
Defined contribution plans	(4,694)	(5,589)
Other employee benefits	(28)	(147)
Total	(48,911)	(52,825)

US$thousand	2021	2020
Included in cost of goods sold:
Wages and salaries	(47,089)	(40,973)
Defined contribution plans	(5,589)	(4,305)
Other employee benefits	(147)	(584)
Total	(52,825)	(45,862)