Note 1 - Description of Business and Summary of Significant Accounting Policies - Estimated Useful Lives of Property and Equipment (Details)	Dec. 31, 2025
Computer Equipment [Member]
Property, plant and equipment, useful life (Year)	3 years
Software and Software Development Costs [Member] | Minimum [Member]
Property, plant and equipment, useful life (Year)	3 years
Software and Software Development Costs [Member] | Maximum [Member]
Property, plant and equipment, useful life (Year)	5 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, plant and equipment, useful life (Year)	5 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, plant and equipment, useful life (Year)	10 years
Laboratory and Test Equipment [Member] | Minimum [Member]
Property, plant and equipment, useful life (Year)	3 years
Laboratory and Test Equipment [Member] | Maximum [Member]
Property, plant and equipment, useful life (Year)	10 years