Note 10 - Income Taxes (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2022
Income Tax Expense (Benefit), Total	$ (599,000)	$ (0)
Effective Income Tax Rate Reconciliation, Percent, Total	8.00%
Discrete Tax Benefit	$ 470,000
Effective Income Tax Rate Reconciliation, Before Discrete Items, Percent	5.00%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%
Forecast [Member]
Deferred Tax Assets, Valuation Allowance			$ 6,700,000