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Note 2 - Basis of Presentation and Significant Accounting Policies - Property and Equipment Life Expectancy (Details)
Sep. 30, 2023
Dec. 31, 2022
Software and Software Development Costs [Member]    
Estimated useful lives (Year) 3 years  
Software and Software Development Costs [Member] | Minimum [Member]    
Estimated useful lives (Year)   3 years
Website [Member]    
Estimated useful lives (Year) 3 years 3 years
Office Equipment [Member]    
Estimated useful lives (Year) 5 years 5 years
Furniture and Fixtures [Member]    
Estimated useful lives (Year) 5 years 5 years
Machinery and Equipment [Member] | Minimum [Member]    
Estimated useful lives (Year) 7 years 7 years
Machinery and Equipment [Member] | Maximum [Member]    
Estimated useful lives (Year) 10 years 10 years