Note 10 - Operating Segments - Disaggregation of Revenue from Contracts with Customers (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Net Revenues	$ 60,399,698	$ 33,140,272
Interest income, net	719,365	663,571
Depreciation	2,844,647	2,748,514
Segment income (loss) before income taxes	15,797,553	(188,831)
Segment tax expense (benefit)	3,999,400	(1,250,845)
Segment Assets	83,062,455	68,804,787
Operating Segments [Member]
Net Revenues	60,400,000	33,140,000
Interest income, net	719,000	664,000
Depreciation	2,845,000	2,749,000
Segment income (loss) before income taxes	15,265,000	(47,000)
Segment tax expense (benefit)		(1,251,000)
Segment Assets	106,647,000	92,984,000
Intersegment Eliminations [Member]
Net Revenues	837,000	504,000
Segment income (loss) before income taxes	533,000	(142,000)
Segment Assets	(23,585,000)	(24,179,000)
Horse Racing [Member]
Segment tax expense (benefit)	610,000
Horse Racing [Member] | Operating Segments [Member]
Net Revenues	15,753,000	10,722,000
Interest income, net	0	(37,000)
Depreciation	2,567,000	2,309,000
Segment income (loss) before income taxes	1,878,000	(1,610,000)
Segment tax expense (benefit)		(253,000)
Segment Assets	50,647,000	35,620,000
Horse Racing [Member] | Intersegment Eliminations [Member]
Net Revenues	26,000	74,000
Card Casino [Member]
Segment tax expense (benefit)	3,487,000
Card Casino [Member] | Operating Segments [Member]
Net Revenues	38,092,000	19,886,000
Interest income, net	0	0
Depreciation	75,000	226,000
Segment income (loss) before income taxes	13,774,000	953,000
Segment tax expense (benefit)		(108,000)
Segment Assets	2,726,000	3,027,000
Card Casino [Member] | Intersegment Eliminations [Member]
Net Revenues	0	0
Food and Beverage Segment [Member]
Segment tax expense (benefit)	400,000
Food and Beverage Segment [Member] | Operating Segments [Member]
Net Revenues	6,530,000	2,489,000
Interest income, net	719,000	0
Depreciation	203,000	214,000
Segment income (loss) before income taxes	1,580,000	(709,000)
Segment tax expense (benefit)		(3,000)
Segment Assets	27,091,000	24,862,000
Food and Beverage Segment [Member] | Intersegment Eliminations [Member]
Net Revenues	811,000	430,000
Development [Member]
Segment tax expense (benefit)	(498,000)
Development [Member] | Operating Segments [Member]
Net Revenues	25,000	43,000
Interest income, net	0	701,000
Depreciation	0	0
Segment income (loss) before income taxes	(1,967,000)	1,319,000
Segment tax expense (benefit)		(887,000)
Segment Assets	26,183,000	29,475,000
Development [Member] | Intersegment Eliminations [Member]
Net Revenues	$ 0	$ 0