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Financial Instruments (Tables) | 6 Months Ended
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Jun. 30, 2024
Investments, All Other Investments [Abstract] |
Schedule of Cash and Marketable Securities by Significant Investment Category | The following tables show the Company’s cash, cash equivalents, restricted cash, and marketable securities by significant investment category as of: Schedule of Cash and Marketable Securities by Significant Investment Category
|  | June 30, 2024 |
|  | cost |  |  | Unrealized Gain/(Loss) |  |  | Fair Value |  |  | Cash and Cash Equivalents |  |  | Marketable Securities |
Cash |  | $ | 10,649,000 |  |  | $ | - |  |  | $ | 10,649,000 |  |  | $ | 10,649,000 |  |  | $ | - |
Level 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money Market Funds |  |  | 70,000 |  |  |  | - |  |  |  | 70,000 |  |  |  | 70,000 |  |  |  | - |
Marketable Securities |  |  | 26,984,000 |  |  |  | (17,426,000 | ) |  | $ | 9,558,000 |  |  |  | - |  |  |  | 9,558,000 |
Total |  | $ | 37,703,000 |  |  | $ | (17,426,000 | ) |  | $ | 20,277,000 |  |  | $ | 10,719,000 |  |  | $ | 9,558,000 |
|  | December 31, 2023 |
|  | Adjusted Cost |  |  | Unrealized Gain/(Loss) |  |  | Fair Value |  |  | Cash and Cash Equivalents |  |  | Marketable Securities |
Cash |  | $ | 6,545,000 |  |  | $ | - |  |  | $ | 6,545,000 |  |  | $ | 6,545,000 |  |  | $ | - |
Level 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money Market Funds |  | $ | 70,000 |  |  |  | - |  |  | $ | 70,000 |  |  |  | 70,000 |  |  |  | - |
Marketable Securities |  | $ | 27,304,000 |  |  |  | (17,325,000 | ) |  | $ | 9,979,000 |  |  |  | - |  |  |  | 9,979,000 |
Total |  | $ | 33,919,000 |  |  | $ | (17,325,000 | ) |  | $ | 16,594,000 |  |  | $ | 6,615,000 |  |  | $ | 9,979,000 |

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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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