Note 9 - Leases - Lease Cost (Details) - USD ($)	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating lease costs	$ 215,331	$ 215,331
Short-term operating lease costs	5,400	5,400
Amortization of right-of-use assets	2,304	5,281
Interest on lease liabilities	92	339
Total financing lease expense	2,396	5,620
Total lease expense	223,127	226,351
Right-of-use assets obtained in exchange for new operating lease liabilities	0	0
Right-of-use assets obtained in exchange for new financing lease liabilities	$ 0	$ 0
Weighted-average remaining lease term (years) - operating leases (Year)	10 years 3 months 18 days	11 years 3 months 18 days
Weighted-average remaining lease term (years) - financing leases (Year)	2 months 12 days	1 year 2 months 12 days
Weighted-average discount rate - operating leases	6.75%	6.75%
Weighted-average discount rate - financing leases	6.75%	6.75%