v3.25.4
Details of Significant Accounts - Pensions, schedule of movements in net defined benefit liability (Details) - Perfect Mobile Corp. (Taiwan) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of defined benefit plans [line items]    
At January 1 $ (46) $ (79)
Current service cost (1) (4)
Interest (expense) income (1) (1)
Net defined benefit liability (48) (84)
Remeasurements:    
Return on plan assets 1 1
Change in demographic assumptions (4) 5
Change in financial assumptions (4) 5
Experience adjustments (9) 20
Remeasurements (16) 31
Pension fund contribution 2 2
Net exchange differences (2) 5
Balance at December 31 (64) (46)
Present value of defined benefit obligations    
Disclosure of defined benefit plans [line items]    
At January 1 (61) (92)
Current service cost (1) (4)
Interest (expense) income (1) (1)
Net defined benefit liability (63) (97)
Remeasurements:    
Return on plan assets 0 0
Change in demographic assumptions (4) 5
Change in financial assumptions (4) 5
Experience adjustments (9) 20
Remeasurements (17) 30
Pension fund contribution 0 0
Net exchange differences (3) 6
Balance at December 31 (83) (61)
Fair value of plan assets    
Disclosure of defined benefit plans [line items]    
At January 1 15 13
Current service cost 0 0
Interest (expense) income 0 0
Net defined benefit liability 15 13
Remeasurements:    
Return on plan assets 1 1
Change in demographic assumptions 0 0
Change in financial assumptions 0 0
Experience adjustments 0 0
Remeasurements 1 1
Pension fund contribution 2 2
Net exchange differences 1 (1)
Balance at December 31 $ 19 $ 15