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Note 12 - Restructuring (Details Textual)
$ in Thousands
12 Months Ended
Feb. 08, 2024
Dec. 31, 2024
USD ($)
Dec. 31, 2023
Mar. 31, 2025
USD ($)
Restructuring Reserve   $ 0   $ 0
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]     Other Nonoperating Income (Expense)  
Employee Severance [Member] | Approximation [Member]        
Restructuring Charges   $ 600    
Employee Severance [Member] | Contractors [Member]        
Restructuring and Related Cost, Number of Positions Eliminated 26