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v3.25.2

Investments in Securities (Tables) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2025 | Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract] |  |
Schedule of Marketable Securities at Cost and Fair Value | the cost and fair value of marketable securities was as follows:
|  | December 31, 2024 |
|  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
U.S. Treasury bills |  | $ | 55,009 |  |  | $ | 190 |  |  | $ | — |  |  | $ | 55,199 |
Municipal bonds |  |  | 9,631 |  |  |  | 38 |  |  |  | (351 | ) |  |  | 9,318 |
Corporate/government bonds |  |  | 479 |  |  |  | 33 |  |  |  | — |  |  |  | 512 |
Other bonds |  |  | 478 |  |  |  | 34 |  |  |  | — |  |  |  | 512 |
|  | $ | 65,597 |  |  | $ | 295 |  |  | $ | (351 | ) |  | $ | 65,541 |
| The cost and fair value of marketable securities are as follows:
|  |  | December 31, 2024 |
(in thousands) |  |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
U.S. Treasury bills |  | $ | 55,009 |  | $ | 190 |  | $ | — |  | $ | 55,199 |
Municipal bonds |  |  | 9,631 |  |  | 38 |  |  | (351) |  |  | 9,318 |
Corporate/government bonds |  |  | 479 |  |  | 33 |  |  | — |  |  | 512 |
Other bonds |  |  | 478 |  |  | 34 |  |  | — |  |  | 512 |
|  | $ | 65,597 |  | $ | 295 |  | $ | (351) |  | $ | 65,541 |
|  |  | December 31, 2023 |
(in thousands) |  |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
U.S. Treasury bills |  | $ | 60,801 |  | $ | 131 |  | $ | — |  | $ | 60,932 |
Municipal bonds |  |  | 9,543 |  |  | 148 |  |  | (404) |  |  | 9,287 |
Corporate/government bonds |  |  | 477 |  |  | 29 |  |  | — |  |  | 506 |
Other bonds |  |  | 478 |  |  | 27 |  |  | — |  |  | 505 |
|  | $ | 71,299 |  | $ | 335 |  | $ | (404) |  | $ | 71,230 |

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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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