Note 8 - Bank Debt - Summary of Loan Balances (Details) - Bank Debt [Member] - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Total Bank Debt	$ 17,402,790	$ 19,503,341
Less: current portion	0	222,222
Non-current bank debt	17,402,790	19,281,119
Less: unamortized debt costs	45,197	56,801
Net non-current bank debt	17,357,593	19,224,318
Term Debt [Member]
Total Bank Debt	0	222,222
Line of Credit [Member]
Total Bank Debt	$ 17,402,790	$ 19,281,119