Note 8 - Leases and Commitments (Details Textual) - USD ($)			12 Months Ended
	Mar. 01, 2022	Mar. 30, 2014	Dec. 31, 2022	Dec. 31, 2021
Operating Lease, Cost			$ 22,339	$ 22,339
Operating Lease, Expense			507,705	490,851
Finance Lease, Right-of-Use Asset, Amortization			23,795	23,795
Finance Lease, Right-of-Use Asset, Accumulated Amortization			106,586	79,524
Long-term Purchase Commitment, Period (Year)		7 years
Long-term Purchase Commitment, Expenses			253,000	$ 262,000
New Totalizator Provider [Member]
Long-term Purchase Commitment, Period (Year)	5 years
Long-term Purchase Commitment, Expenses			166,400
Purchase Obligation, to be Paid, Year One			166,400
Purchase Obligation, to be Paid, Year Two			166,400
Purchase Obligation, to be Paid, Year Three			166,400
Purchase Obligation, to be Paid, Year Four			$ 166,400