Note 7 - Bank Debt - Summary of Loan Balances (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Bank Debt [Member]
Total Bank Debt	$ 7,834,106	$ 9,628,602
Less: Current Portion	1,333,333	1,333,333
Non-Current Bank Debt	6,500,773	8,295,269
Less: Unamortized Debt Costs	124,179	100,590
Net Non-Current Bank Debt	6,376,594	8,194,679
Term Debt [Member]
Total Bank Debt	4,111,111
Term Debt [Member] | Bank Debt [Member]
Total Bank Debt	4,111,111	5,444,444
Line of Credit [Member] | Bank Debt [Member]
Total Bank Debt	$ 3,722,995	$ 4,184,158