Note 7 - Bank Debt - Summary of Loan Balances (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Total Bank Debt	$ 1,609,965	$ 5,274,235
Less: Current Portion	500,000	500,000
Non-Current Bank Debt	1,109,965	4,774,235
Less: Unamortized Debt Costs	35,730	41,685
Net Non-Current Bank Debt	1,074,235	4,732,550
Term Debt [Member]
Total Bank Debt	1,500,000	1,750,000
Line of Credit [Member]
Total Bank Debt	$ 109,965	$ 3,524,235