Note 8 - Bank Debt - Summary of Loan Balances (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Bank Debt [Member]
Total Bank Debt	$ 13,603,575	$ 7,834,106
Less: Current Portion	1,333,333	1,333,333
Non-Current Bank Debt	12,270,242	6,500,773
Less: Unamortized Debt Costs	95,814	124,179
Net Non-Current Bank Debt	12,174,428	6,376,594
Term Debt [Member]
Total Bank Debt	2,777,778
Term Debt [Member] | Bank Debt [Member]
Total Bank Debt	2,777,778	4,111,111
Line of Credit [Member] | Bank Debt [Member]
Total Bank Debt	$ 10,825,797	$ 3,722,995