Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2025

Property, Plant and Equipment

Schedule of property, plant and equipment


															Prepayments
															for purchase
									Research		Office				of equipment
					Building				and		furniture				and
					and				development		and				construction
		Land			improvements		Machinery		equipment		equipment		Others		in progress		Total

		(in thousands)
Cost
Balance at January 1, 2024		$	37,653		77,782		94,732		50,233		14,991		50,772		4,428		330,591
Additions			—		651		2,210		5,998		739		4,844		2,028		16,470
Transfers			—		1,610		656		28		—		453		(2,870)		(123)
Disposals			—		(15)		(1,034)		(185)		(195)		(13,596)		—		(15,025)
Effect of exchange rate changes			—		—		—		(7)		(51)		(157)		—		(215)
Balance at December 31, 2024			37,653		80,028		96,564		56,067		15,484		42,316		3,586		331,698
Acquisitions through business combinations			162		55		101		—		17		31		—		366
Additions			—		483		1,551		6,414		1,116		5,362		7,027		21,953
Transfers			—		—		939		—		—		—		(939)		—
Disposals			—		—		(59)		(245)		(168)		(11,322)		—		(11,794)
Effect of exchange rate changes			(3)		(2)		(12)		3		39		106		(1)		130
Balance at December 31, 2025		$	37,812		80,564		99,084		62,239		16,488		36,493		9,673		342,353

Accumulated Depreciation
Balance at January 1, 2024		$	—		37,300		72,261		43,850		12,669		34,402		—		200,482
Depreciation for the year			—		4,394		6,863		3,823		1,018		5,923		—		22,021
Disposals			—		(15)		(1,034)		(185)		(195)		(10,504)		—		(11,933)
Effect of exchange rate changes			—		(1)		—		(6)		(43)		(102)		—		(152)
Balance at December 31, 2024			—		41,678		78,090		47,482		13,449		29,719		—		210,418
Depreciation for the year			—		4,392		4,856		5,672		985		5,099		—		21,004
Disposals			—		—		(59)		(245)		(168)		(8,726)		—		(9,198)
Effect of exchange rate changes			—		(2)		(10)		3		35		72		—		98
Balance at December 31, 2025		$	—		46,068		82,877		52,912		14,301		26,164		—		222,322

Carrying amounts
At December 31, 2024		$	37,653		38,350		18,474		8,585		2,035		12,597		3,586		121,280
At December 31, 2025		$	37,812		34,496		16,207		9,327		2,187		10,329		9,673		120,031

Schedule of estimated useful lives of property plant and equipment


Buildings		25 years
Building improvements		4-16 years
Machinery		4-10 years
Research and development equipment		2-6 years
Office furniture and equipment		3-8 years
Others		2-15 years

Schedule of lease liabilities


		December 31,			December 31,
		2024			2025

		(in thousands)
Current portion (classified under other current liabilities)		$	3,708		1,752
Non-current portion (classified under other non-current liabilities)			3,452		2,466
		$	7,160		4,218

Schedule of additional lease information


		Year ended December 31,
		2023			2024		2025

		(in thousands)
Expenses relating to short-term leases		$	73		65		54
Expenses relating to low-value asset leases		$	368		246		211
Expenses relating to variable lease payments not included in the measurement of lease liabilities		$	2,195		2,739		2,438

Schedule of reconciliation of lease liabilities to cash flows arising from financing activities


		Year ended December 31,
		2024			2025

		(in thousands)
Balance at beginning of year		$	11,380		7,160
Change from financing activities:
Payment of lease liabilities			(5,032)		(3,160)
Total change from financing activities			(5,032)		(3,160)
Other changes:
New lease			1,758		840
Interest expense			216		160
Interest paid			(216)		(160)
Lease modifications			(1,624)		(1,577)
Effect of exchange rate changes			678		955
Total liability-related other changes			812		218
Balance at end of year		$	7,160		4,218