Note 13 - Income Taxes (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Tax Adjustments, Settlements, and Unusual Provisions	$ 19,000
Income Taxes Receivable	700,000
Deferred Tax Assets, Net of Valuation Allowance, Total	(700,000)
Income (Loss) Attributable to Parent, before Tax, Total	(11,600,000)	$ 2,100,000
Income Tax Expense (Benefit), Total	$ (2,702,506)	$ 506,153
Effective Income Tax Rate Reconciliation, Percent, Total	23.30%	23.70%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%