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Note 6 - Loans Payable (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Maturities of Long-term Debt [Table Text Block] |
Years Ending December 31, |  |  |  |
2021 |  | $ | 99,913 |
2022 |  |  | 545,562 |
2023 |  |  | 172,295 |
2024 |  |  | 179,046 |
2025 |  |  | 186,063 |
Thereafter |  |  | 3,976,954 |
Total |  | $ | 5,159,833 |

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