Share-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Share-based Compensation | ||||
| Share-based compensation expense | $ 0 | $ 21 | $ 0 | $ 44 |
| Cost of goods sold [Member] | ||||
| Share-based Compensation | ||||
| Share-based compensation expense | 0 | 1 | 0 | 1 |
| Sales and marketing [Member] | ||||
| Share-based Compensation | ||||
| Share-based compensation expense | 0 | (1) | 0 | 0 |
| Research and product development [Member] | ||||
| Share-based Compensation | ||||
| Share-based compensation expense | 0 | 3 | 0 | 7 |
| General and administrative [Member] | ||||
| Share-based Compensation | ||||
| Share-based compensation expense | $ 0 | $ 18 | $ 0 | $ 36 |