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Marketable Securities (Tables) | 12 Months Ended
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Dec. 31, 2023
Marketable Securities |
Schedule of marketable securities |
Schedule of marketable securities |  |  |  |  |  |  |  |  |  |  |  |
|  | Marketable equity securities at December 31, 2023 |
|  |  |  |  | Gross unrealized |  |  | Gross unrealized |  |  |  |
|  | Cost |  |  | gains |  |  | losses |  |  | Fair value |
Common shares |  | $ | 5,119,000 |  |  | $ | 12,000 |  |  | $ | (5,104,000 | ) |  | $ | 27,000 |
|  |  | Marketable equity securities at December 31, 2022 |
|  |  |  |  |  |  | Gross unrealized |  |  |  | Gross unrealized |  |  |  |  |
|  |  | Cost |  |  |  | gains |  |  |  | losses |  |  |  | Fair value |
Common shares |  | $ | 10,271,000 |  |  | $ | 383,000 |  |  | $ | (4,064,000 | ) |  | $ | 6,590,000 |

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References No definition available. + Details
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