Note 14 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Operating Loss Carryforwards		$ 32,543,685
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		(2,736,185)
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability		1,699,440
Revaluation of Deferred Tax Assets (Liabilities) Due to Change in Tax Rate [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		$ (1,699,440)
Scenario, Forecast [Member]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%