Note 15 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Effective Income Tax Rate Reconciliation, Percent	0.00%	1.00%
Deferred Tax Assets, Valuation Allowance	$ 86,804		$ 83,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	3,804
Effective Income Tax Rate Reconciliation, Excess Tax Deficiencies, Amount	544
Effective Income Tax Rate Reconciliation, Excess Tax Benefit, Amount		$ 5
Valuation Allowance to Offset Excess Tax Deficiencies [Member]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 544	$ 5