Depreciation and amortization expense

3 Months Ended

12 Months Ended

Mar. 31, 2023

Dec. 31, 2022

Dec. 31, 2021

Depreciation and amortization expense

Depreciation and amortization expense

6. Depreciation and amortization expense

		Three months ended March 31
US$ thousand	Notes	2023		2022
Included in cost of goods sold:
Depreciation expenses	12	$	(11,696)	$	(11,942)
Amortization expenses			(25)		(8)
Total		$	(11,721)	$	(11,950)

6. Depreciation and amortization expense

US$ thousand	Notes	2022	2021
Included in cost of goods sold:
Depreciation expenses	12	(51,328)	(52,262)
Amortization expenses		(201)	(59)
Total		(51,529)	(52,321)

6. Depreciation and amortization expense

US$thousand	Notes	2021	2020
Included in cost of goods sold:
Depreciation expenses	12	(52,262)	(55,433)
Amortization expenses		(59)	—
Total		(52,321)	(55,433)