Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Fair Value of Financial Instruments | ||
| Marketable equity securities | $ 294 | $ 1,322 |
| Kinross call options | 67 | |
| Assets | ||
| Short-term investments | 7,573 | 4,523 |
| Level 1 [Member] | ||
| Fair Value of Financial Instruments | ||
| Marketable equity securities | 294 | 1,322 |
| Kinross call options | 67 | |
| Assets | ||
| Short-term investments | 7,573 | 4,523 |
| Level 2 [Member] | ||
| Fair Value of Financial Instruments | ||
| Marketable equity securities | 0 | 0 |
| Kinross call options | 0 | |
| Assets | ||
| Short-term investments | 0 | 0 |
| Level 3 [Member] | ||
| Fair Value of Financial Instruments | ||
| Marketable equity securities | 0 | 0 |
| Kinross call options | 0 | |
| Assets | ||
| Short-term investments | $ 0 | $ 0 |