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Note 2 - Summary of Significant Accounting Policies - Estimated Useful Lives of Property and Equipment (Details)
Dec. 31, 2024
Computer Equipment [Member]  
Useful Life (Year) 5 years
Furniture and Fixtures [Member]  
Useful Life (Year) 7 years
Leasehold Improvements [Member] | Minimum [Member]  
Useful Life (Year) 6 years
Leasehold Improvements [Member] | Maximum [Member]  
Useful Life (Year) 7 years