Note 8 - Leases - Financing Leases (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Property and equipment, net	$ 1,760,984
Current portion of finance lease obligations	386,127	$ 352,294
Finance lease obligations	580,489	712,511
Total finance lease liabilities	$ 966,616	$ 1,065,000