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The Nature of Expenses (Tables)

12 Months Ended

Dec. 31, 2020

The Nature of Expenses

Schedule of depreciation of property, plant and equipment

(a) Depreciation of property, plant and equipment


		Year ended December 31,
		2018			2019		2020
		(in thousands)
Recognized in cost of revenues		$	8,600		8,146		6,935
Recognized in operating expenses			9,747		14,040		14,938
		$	18,347		22,186		21,873

Schedule of amortization of intangible assets

(b) Amortization of intangible assets


		Year ended December 31,
		2018			2019		2020
		(in thousands)
Recognized in cost of revenues		$	3		58		57
Recognized in operating expenses			1,977		2,155		1,666
		$	1,980		2,213		1,723

Schedule of employee benefit expense

(c) Employee benefits expense


		Year ended December 31,
		2018			2019		2020
		(in thousands)
Salary		$	91,822		80,617		88,149
Labor and health insurance			6,054		5,668		5,805
Pension			5,474		5,246		4,536
Others			3,576		3,586		4,867
		$	106,926		95,117		103,357

Employee benefits expense summarized by function
Recognized in cost of revenues		$	6,512		5,597		5,579
Recognized in operating expenses			100,414		89,520		97,778
		$	106,926		95,117		103,357