Note 13 - Income Taxes (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Effective Income Tax Rate Reconciliation, Percent	0.40%	1.15%
Payroll Related Tax Credit Utilized	$ 0.2
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	2.4
Other Current Liabilities [Member]
Payroll Related Credits COVID 19			$ 1.3
Domestic Tax Jurisdiction [Member]
Operating Loss Carryforwards	241.7	$ 222.2
Operating Loss Carryforwards, Subject to Expiration	31.0	31.0
Operating Loss Carryforwards, Not Subject to Expiration	210.6	191.0
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	$ 150.3	$ 128.1