Note 15 - Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	21.00%
Loss attributable to partnership not subject to tax	(11.60%)	(21.00%)
State income taxes, net of federal tax benefit	2.80%	0.00%
Effective income tax rate on income before taxes	12.20%	0.00%

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to equity in earnings (loss) of unconsolidated subsidiaries exempt from income taxes.

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