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Note 15 - Supplemental Schedule of Non-cash Investing / Financing Activities (Tables) | 3 Months Ended
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Mar. 31, 2020
Notes Tables |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Three Months Ended March 31, |
|  | 2020 |  |  | 201 9 |
Acquisition of real estate interests through proceeds held in escrow |  | $ | - |  |  | $ | 30,970 |
Surrender of restricted common stock |  | $ | 5,159 |  |  | $ | 3,252 |
Declaration of dividends paid in succeeding period |  | $ | 126,473 |  |  | $ | 130,444 |
Capital expenditures accrual |  | $ | 47,533 |  |  | $ | 70,976 |

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