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Note 6 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Aug. 15, 2022	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 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		$ 23.7	$ 21.0	$ 72.6	$ 64.5

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