Note 5 - Property, Plant, and Equipment - Useful Life (Details)	Mar. 31, 2024
Equipment [Member] | Minimum [Member]
Property, plant, and equipment useful life (Year)	1 year
Equipment [Member] | Maximum [Member]
Property, plant, and equipment useful life (Year)	10 years
Software Tools [Member] | Minimum [Member]
Property, plant, and equipment useful life (Year)	1 year
Software Tools [Member] | Maximum [Member]
Property, plant, and equipment useful life (Year)	2 years
Tooling [Member]
Property, plant, and equipment useful life (Year)	7 years
Software [Member] | Minimum [Member]
Property, plant, and equipment useful life (Year)	1 year
Software [Member] | Maximum [Member]
Property, plant, and equipment useful life (Year)	7 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)	7 years
Leasehold Improvements [Member] | Minimum [Member]
Property, plant, and equipment useful life (Year)	3 years
Leasehold Improvements [Member] | Maximum [Member]
Property, plant, and equipment useful life (Year)	5 years