Note 14 - Income Taxes - Reconciliation of Income Tax Expense (Details) - USD ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Federal statutory rate applied to income/(loss) before income taxes	$ 1,058,960	$ 1,117,014
Increase/(decrease) in income taxes results from:
Current tax expense/(benefit)	490,215	1,194
Nondeductible expenses	(582,309)	(44,845)
Change in deferred assets	18,354	(35,423)
Change in valuation allowance	(495,005)	(1,036,746)
Income tax expense/(benefit)	$ 490,215	$ 1,194

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