Share-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Share-based Compensation | ||
| Share-based compensation expense | $ 0 | $ 23 |
| Cost of goods sold [Member] | ||
| Share-based Compensation | ||
| Share-based compensation expense | 0 | 0 |
| Sales and marketing [Member] | ||
| Share-based Compensation | ||
| Share-based compensation expense | 0 | 1 |
| Research and product development [Member] | ||
| Share-based Compensation | ||
| Share-based compensation expense | 0 | 4 |
| General and administrative [Member] | ||
| Share-based Compensation | ||
| Share-based compensation expense | $ 0 | $ 18 |