Note 9 - Notes Payable - Long-term Debt (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Long-term debt	$ 6,921,487	$ 8,622,580
Less current portion	(6,921,487)	(8,622,580)
Total Long-term debt, net of current portion	0	0
Subordinated Debt [Member] | Officer [Member]
Long-term debt	1,193,079	1,123,769
Notes Payable, Related Party [Member]
Long-term debt	166,667	0
Term Loan [Member]
Long-term debt	559,140	2,156,895
Line of Credit [Member] | Revolving Credit Facility [Member]
Long-term debt	$ 5,002,599	$ 5,341,916