Note 8 - Leases and Commitments (Details Textual) - USD ($)			12 Months Ended
	Mar. 01, 2022	Mar. 30, 2014	Dec. 31, 2021	Dec. 31, 2020
Operating Lease, Cost			$ 22,339	$ 31,333
Operating Lease, Expense			490,851	360,902
Finance Lease, Right-of-Use Asset, Amortization			23,795	23,795
Finance Lease, Right-of-Use Asset, Accumulated Amortization			79,524	53,853
Long-term Purchase Commitment, Period (Year)	5 years	7 years
Long-term Purchase Commitment, Expenses			$ 262,000	$ 181,000
Forecast [Member]
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
Purchase Obligation, to be Paid, Year Five	$ 166,400