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Note 7 - Real Estate (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Real Estate Properties [Table Text Block] |
|  | 2020 |  |  | 2019 |
Net Realizable Value at beginning of period |  | $ | 48,270,000 |  |  | $ | 36,201,270 |
Change in Net Realizable Value |  |  |  |  |  |  |  |
Cortlandt Manor |  |  | (3,820,000 | ) |  |  | 2,010,000 |
Flowerfield |  |  | (5,400,000 | ) |  |  | 10,058,730 |
Net Realizable Value on December 31, |  | $ | 39,050,000 |  |  | $ | 48,270,000 |

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- References No definition available. + Details
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