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Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($) | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Jan. 01, 2019 | Dec. 31, 2018
Operating Lease, Right-of-Use Asset | $ 50,810,187 |  |  |
Finite-Lived Intangible Assets, Net, Ending Balance | 32,511,385 |  |  |
Operating Lease, Liability, Total | 49,426,257 |  |  |
Off-Market Favorable Lease [Member] |  |  |  |
Finite-Lived Intangible Assets, Net, Ending Balance |  |  |  | $ 811,709
Accounting Standards Update 2016-02 [Member] |  |  |  |
Operating Lease, Right-of-Use Asset |  |  | $ 49,066,289 |
Prepaid Land Lease Assets |  |  | (1,945,820) |
Accrued Rent |  |  | (1,316,000) |
Operating Lease, Liability, Total |  |  | 49,066,289 |
Accounting Standards Update 2016-02 [Member] | Off-Market Favorable Lease [Member] |  |  |  |
Finite-Lived Intangible Assets, Net, Ending Balance |  |  | $ (811,709) |
Production Services [Member] |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 262,381 | $ 77,142 |  |
Minimum [Member] |  |  |  |
Lessor, Operating Lease, Term of Contract | 30 days |  |  |
Maximum [Member] |  |  |  |
Lessor, Operating Lease, Term of Contract | 90 days |  |  |

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