Note 7 - Long-term Debt - Summary of Long-term Debt (Details) - USD ($)		Dec. 31, 2019	Dec. 31, 2018
Total long-term debt		$ 12,051,719	$ 12,909,310
Less: Current maturities		(674,593)	(857,590)
Long-term debt		11,377,126	12,051,720
MesoScribe Technologies, Inc [Member]
Contingent Liability	[1]		200,000
Loan [Member]
Secured debt		9,686,211	10,043,802
HSBC Bank Mortgage Loan [Member]
Secured debt		$ 2,365,508	$ 2,665,508

[1] For the twelve-month measurement periods December 31, 2019 and 2018, the Company did not meet the threshold required and $200,000 and $100,000, respectively, of contingent payments was recorded into earnings.