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The Nature of Expenses (Tables)

12 Months Ended

Dec. 31, 2019

The Nature of Expenses

Schedule of depreciation of property, plant and equipment

(a)

Depreciation of property, plant and equipment


		Year ended December 31,
		2017			2018		2019
		(in thousands)
Recognized in cost of revenues		$	5,965		8,600		8,146
Recognized in operating expenses			9,307		9,747		14,040
		$	15,272		18,347		22,186

Schedule of amortization of intangible assets

(a)

Amortization of intangible assets


		Year ended December 31,
		2017			2018		2019
		(in thousands)
Recognized in cost of revenues		$	2		3		58
Recognized in operating expenses			1,406		1,977		2,155
		$	1,408		1,980		2,213

Schedule of employee benefit expense

(a)

Employee benefits expense


		Year ended December 31,
		2017			2018		2019
		(in thousands)
Salary		$	89,911		91,822		80,617
Labor and health insurance			5,841		6,054		5,668
Pension			5,102		5,474		5,246
Others			3,486		3,576		3,586
		$	104,340		106,926		95,117

Employee benefits expense summarized by function
Recognized in cost of revenues		$	5,223		6,512		5,597
Recognized in operating expenses			99,117		100,414		89,520
		$	104,340		106,926		95,117