Note 5 - Operating Segments - Disaggregation of Revenue from Contracts with Customers (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Net revenues from external customers	$ 19,284,367	$ 19,268,549	$ 49,584,751	$ 48,909,795
Net interest income	521,579	536,904	1,592,676	1,433,353
Depreciation			2,676,092	2,308,272
Income before income taxes	2,793,806	1,669,299	4,722,246	12,908,331
Segment tax expense (benefit)	772,000	$ 533,000	1,364,000	3,709,000
Segment Assets	114,227,120		114,227,120		$ 104,678,668
Operating Segments [Member]
Net revenues from external customers			49,585,000	48,910,000
Net interest income			1,593,000	1,433,000
Depreciation			2,676,000	2,308,000
Income before income taxes			4,722,000	12,908,000
Segment tax expense (benefit)			1,364,000	3,709,000
Segment Assets	181,325,000		181,325,000		163,162,000
Intersegment Eliminations [Member]
Net revenues from external customers			1,282,000	1,087,000
Income before income taxes			(2,679,000)	(2,925,000)
Segment Assets	(67,098,000)		(67,098,000)		(58,483,000)
Horse Racing [Member] | Operating Segments [Member]
Net revenues from external customers			12,093,000	11,186,000
Net interest income			809,000	754,000
Depreciation			2,328,000	1,954,000
Income before income taxes			(1,962,000)	(3,745,000)
Segment tax expense (benefit)			(567,000)	(1,076,000)
Segment Assets	104,133,000		104,133,000		92,970,000
Horse Racing [Member] | Intersegment Eliminations [Member]
Net revenues from external customers			238,000	194,000
Card Casino [Member] | Operating Segments [Member]
Net revenues from external customers			29,780,000	30,322,000
Net interest income			0	0
Depreciation			225,000	225,000
Income before income taxes			5,636,000	6,940,000
Segment tax expense (benefit)			1,628,000	1,994,000
Segment Assets	1,899,000		1,899,000		2,125,000
Card Casino [Member] | Intersegment Eliminations [Member]
Net revenues from external customers			0	0
Food and Beverage Segment [Member] | Operating Segments [Member]
Net revenues from external customers			7,712,000	7,402,000
Net interest income			0	0
Depreciation			123,000	129,000
Income before income taxes			2,086,000	2,137,000
Segment tax expense (benefit)			603,000	614,000
Segment Assets	35,912,000		35,912,000		33,175,000
Food and Beverage Segment [Member] | Intersegment Eliminations [Member]
Net revenues from external customers			1,044,000	893,000
Development [Member] | Operating Segments [Member]
Net revenues from external customers			0	0
Net interest income			784,000	679,000
Depreciation			0	0
Income before income taxes			(1,038,000)	7,576,000
Segment tax expense (benefit)			(300,000)	2,177,000
Segment Assets	$ 39,381,000		39,381,000		$ 34,892,000
Development [Member] | Intersegment Eliminations [Member]
Net revenues from external customers			$ 0	$ 0