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Accounting Policies (Details Narrative) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Nov. 04, 2022
Investments held for trading | $ 0 | $ 0 |  |
Mining accounts receivable | 1,046,000 | 1,166,000 |  |
Mining deferred revenue liabilities | $ 925,000 | 259,000 |  |
Estimated useful lives | 3-39 |  |  |
Depreciation and depletion | $ 10,668,000 | 10,618,000 | $ 8,806,000 |
Buzzard Point Sponsor Partnership [Member] |  |  |  |
Voting interest | 50 |  |  |
Brooksville Joint Venture [Member] |  |  |  |
Voting interest | 50 |  |  |
B C F R P Realty Joint Venture [Member] |  |  |  |
Voting interest | 50 |  |  |
Estero Partnership [Member] |  |  |  |
Voting interest | 50 |  |  |
Greenville Woodfield Joint Venture [Member] |  |  |  |
Voting interest | 50 |  |  |
Half Street Joint Venture [Member] |  |  |  |
Voting interest | excess of 50% |  |  |
Bryant Street Partnership [Member] |  |  |  |
Voting interest | excess of 50% |  |  |
Mining Properties [Member] |  |  |  |
Mining accounts receivable | $ 465,000 | 618,000 | 388,000 |
Mining deferred revenue liabilities | $ 325,000 | $ 47,000 | $ 249,000 |
Steuart Investment Company [Member] |  |  |  |
Steuart ownership interest |  | 20.00% |  | 20.00%

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