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Note 6 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Aug. 15, 2022 | Mar. 31, 2025 | Mar. 31, 2024 | Feb. 14, 2025 | Oct. 15, 2018
Norfolk Casino [Member] |  |  |  |  |
Anticipated Expenditures |  |  |  | $ 750.0 |
Master Lease Agreements [Member] |  |  |  |  |
Lessee, Operating Lease, Renewal Term (Year) |  |  |  |  | 5 years
Management Service [Member] |  |  |  |  |
Management Agreement, Term (Year) | 7 years |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  | $ 25.1 | $ 22.2 |  |

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