Related Party Transactions - Schedule of significant related party transactions, lease transactions rent expense (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| CyberLink-Japan | ||
| Related Party Transactions | ||
| Rent expense | $ 38 | $ 40 |