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Note 9 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Millions
1 Months Ended 9 Months Ended
Feb. 02, 2024
Oct. 31, 2024
Sep. 30, 2024
Letters of Credit Outstanding, Amount     $ 0.8
Guarantee for Service Agreement [Member]      
Letters of Credit Outstanding, Amount     3.7
Class Action Lawsuit [Member]      
Payments for Legal Settlements     1.4
Class Action Lawsuit [Member] | Accrued Expense and Other Current Liabilities [Member]      
Loss Contingency Accrual     $ 1.4
Class Action Lawsuit [Member] | Subsequent Event [Member]      
Litigation Settlement, Amount Awarded to Other Party   $ 14.4  
Litigation Case, Remaining Amount   $ 13.0  
Defendants [Member] | Class Action Lawsuit [Member]      
Insurance Policy, Post-closing Liability $ 10.0    
Sponsors [Member] | Class Action Lawsuit [Member]      
Insurance Policy, Post-closing Liability $ 3.0