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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment  
Schedule of property, plant and equipment

(a)

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, 2022

$

41,828

 

75,383

 

77,441

 

49,227

 

13,127

 

46,442

 

447

 

303,895

Additions

1,129

2,730

1,946

1,301

4,030

2,210

13,346

Transfers

 

 

 

335

 

112

 

 

 

(447)

 

Disposals

 

 

(37)

 

(2)

 

(1,861)

 

(152)

 

(2,163)

 

 

(4,215)

Disposal of subsidiary

 

 

 

 

 

(103)

 

(225)

 

 

(328)

Effect of exchange rate changes

 

 

 

 

 

(168)

 

(371)

 

 

(539)

Balance at December 31, 2022

41,828

 

76,475

 

80,504

 

49,424

14,005

47,713

2,210

312,159

Additions

 

 

1,239

 

14,977

 

2,415

1,010

5,911

2,621

28,173

Consolidation through obtaining control of subsidiary

 

 

 

 

6

6

Transfers

 

 

67

 

334

 

2

(403)

Reclassification to assets held for sale

 

(4,175)

 

 

 

-

(4,175)

Disposals

(1,084)

(1,608)

(1)

(2,770)

(5,463)

Effect of exchange rate changes

 

 

1

 

1

 

(29)

(82)

(109)

Balance at December 31, 2023

$

37,653

 

77,782

 

94,732

 

50,233

14,991

50,772

4,428

330,591

Accumulated Depreciation

 

  

 

 

 

 

 

 

  

 

Balance at January 1, 2022

$

 

28,800

 

63,395

 

40,941

 

10,859

 

26,664

 

 

170,659

Depreciation for the year

 

 

4,212

 

4,964

 

3,125

 

1,132

 

6,531

 

 

19,964

Disposals

 

 

(37)

 

(2)

 

(1,861)

 

(152)

 

(1,969)

 

 

(4,021)

Disposal of subsidiary

 

 

 

 

 

(57)

 

(92)

 

 

(149)

Effect of exchange rate changes

 

 

 

 

(141)

 

(291)

 

 

(432)

Balance at December 31, 2022

 

 

32,975

 

68,357

 

42,205

 

11,641

 

30,843

 

 

186,021

Depreciation for the year

 

 

4,325

 

4,985

 

3,241

 

1,054

 

6,323

 

 

19,928

Disposals

(1,081)

(1,596)

(1)

(2,711)

(5,389)

Effect of exchange rate changes

 

 

 

 

 

(25)

 

(53)

 

 

(78)

Balance at December 31, 2023

$

 

37,300

 

72,261

 

43,850

 

12,669

 

34,402

 

 

200,482

Carrying amounts

 

  

 

  

 

  

 

  

 

  

 

  

 

  

 

  

At December 31, 2022

$

41,828

 

43,500

 

12,147

 

7,219

 

2,364

 

16,870

 

2,210

 

126,138

At December 31, 2023

$

37,653

 

40,482

 

22,471

 

6,383

 

2,322

 

16,370

 

4,428

 

130,109

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,

2022

2023

 

(in thousands)

Current portion (classified under other current liabilities)

$

4,218

4,636

Non-current portion (classified under other non-current liabilities)

 

7,457

6,744

$

11,675

11,380

Schedule of additional lease information

Year ended December 31, 

    

2021

    

2022

2023

(in thousands)

Expenses relating to short-term leases

$

162

364

73

Expenses relating to low-value asset leases

$

342

113

368

Expenses relating to variable lease payments not included in the measurement of lease liabilities

$

1,874

2,920

2,195

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

    

Year ended December 31,

2022

    

2023

 

(in thousands)

Balance at beginning of year

$

15,860

11,675

Change from financing activities:

 

  

  

Payment of lease liabilities

 

(4,294)

(4,830)

Total change from financing activities

 

(4,294)

(4,830)

Other changes:

 

  

  

New lease

 

2,395

4,267

Interest expense

 

222

167

Interest paid

 

(222)

(167)

Lease modifications

(194)

(75)

Disposal of subsidiary

(138)

Effect of exchange rate changes

 

(1,954)

343

Total liability-related other changes

 

109

4,535

Balance at end of year

$

11,675

11,380