Note 6 - Leases - Lease Costs (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Operating lease cost	$ 152,338	$ 1,068,425
Variable lease cost	29,576	135,909
Operating lease expense	181,914	1,204,334
Short-term lease rent expense	337,584	261,888
Total rent expense	519,498	1,466,222
Operating cash flows - operating leases	126,434	742,111
Right-of-use assets obtained in exchange for operating lease liabilities	$ 344,382	$ 5,285,330
Weighted-average remaining lease term – operating leases (in years) (Year)	3 years	2 years 3 months 18 days
Weighted-average discount rate – operating leases	6.71%	3.75%