Details of Significant Accounts - Share-based payment, schedule of FV of stock options granted using black-scholes option-pricing model (Details) - Share Incentive Plan shares in Thousands |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
May 01, 2025
shares
Y
$ / shares
|
Dec. 23, 2024
shares
Y
$ / shares
|
May 27, 2024
Y
shares
$ / shares
|
Nov. 02, 2023
shares
Y
$ / shares
|
Aug. 21, 2023
Y
shares
$ / shares
|
May 23, 2023
Y
shares
$ / shares
|
Jan. 03, 2023
shares
Y
$ / shares
|
Jan. 21, 2022
Y
shares
$ / shares
|
Dec. 31, 2025
shares
|
Dec. 31, 2024
shares
|
|
| Share-based payment arrangements | ||||||||||
| Units granted (in shares) | shares | 35 | 45 | 5 | 5 | 7 | 2,260 | 8 | 2,143 | 35 | 50 |
| Stock price (in USD per share) | $ 1.84 | $ 2.26 | $ 2.13 | $ 2.43 | $ 4.00 | $ 4.93 | $ 7.20 | $ 5.39 | ||
| Exercise price (in USD per share) | $ 1.84 | $ 2.22 | $ 2.13 | $ 2.43 | $ 3.916 | $ 4.93 | $ 7.20 | $ 3.95 | ||
| Expected price volatility (Note ii) | 79.57% | 74.64% | 72.67% | 70.37% | 70.65% | 69.15% | 64.85% | 53.75% | ||
| Expected option life | Y | 3.88 | 3.87 | 3.88 | 3.88 | 3.88 | 3.88 | 3.87 | 3.88 | ||
| Expected dividends | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | ||
| Risk-free interest rate | 3.77% | 4.46% | 4.65% | 4.77% | 4.64% | 3.90% | 4.07% | 1.46% | ||
| Fair value per unit (in USD per share) | $ 1.0973 | $ 1.3100 | $ 1.2069 | $ 1.3487 | $ 2.2411 | $ 2.6615 | $ 3.7198 | $ 2.7637 | ||