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Note 1 - Business and Significant Accounting Policies - ATD Holdback Shares (Details)
Jan. 02, 2025
Dec. 31, 2024
Aug. 14, 2024
Jan. 02, 2024
Measurement Input, Share Price [Member] | ATD Holdback Shares [Member]        
Contingent consideration, measurement input 1.74 1.56   3.14
Measurement Input, Share Price [Member] | Prepaid Advance [Member]        
Contingent consideration, measurement input   0 1.39  
Measurement Input, Discount for Lack of Marketability [Member] | ATD Holdback Shares [Member]        
Contingent consideration, measurement input 0 0   (0.68)
Measurement Input, Price Volatility [Member] | Prepaid Advance [Member]        
Contingent consideration, measurement input   0 0.96  
Measurement Input, Risk Free Interest Rate [Member] | Prepaid Advance [Member]        
Contingent consideration, measurement input   0 0.044  
Measurement Input, Expected Dividend Rate [Member] | Prepaid Advance [Member]        
Contingent consideration, measurement input   0 0.142