Note 12 - Income Taxes - Income Tax Benefit and Effective Tax Rate (Details) - USD ($)	1 Months Ended	2 Months Ended	3 Months Ended	8 Months Ended	9 Months Ended	20 Months Ended
	Sep. 30, 2020	Aug. 21, 2020	Sep. 30, 2019	Aug. 21, 2020	Sep. 30, 2019	Aug. 21, 2020
Current tax benefit	$ (2,306,000)
Deferred tax benefit	(3,000)
Income tax benefit	$ (2,309,000)					$ 0
Effective income tax rate	16.70%