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The Nature of Expenses (Tables)

12 Months Ended

Dec. 31, 2021

The Nature of Expenses

Schedule of depreciation of property, plant and equipment

(a)

Depreciation of property, plant and equipment


		Year ended December 31,
		2019			2020		2021

		(in thousands)
Recognized in cost of revenues		$	8,146		6,935		6,093
Recognized in operating expenses			14,040		14,938		13,511
		$	22,186		21,873		19,604

Schedule of amortization of intangible assets

(b)

Amortization of intangible assets


		Year ended December 31,
		2019			2020		2021

		(in thousands)
Recognized in cost of revenues		$	58		57		78
Recognized in operating expenses			2,155		1,666		1,660
		$	2,213		1,723		1,738

Schedule of employee benefit expense

(c)

Employee benefits expense


		Year ended December 31,
		2019			2020		2021

		(in thousands)
Salary		$	80,617		88,149		126,976
Labor and health insurance			5,668		5,805		7,232
Pension			5,246		4,536		5,993
Others			3,586		4,867		6,608
		$	95,117		103,357		146,809

Employee benefits expense summarized by function
Recognized in cost of revenues		$	5,597		5,579		7,856
Recognized in operating expenses			89,520		97,778		138,953
		$	95,117		103,357		146,809