Note 2 - Certain Significant Estimates (Details Textual)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Extended Warranty One [Member]
Extended Product Warranty Term	3 years
Extended Warranties Two [Member]
Extended Product Warranty Term	5 years
Extended Warranty Three [Member]
Extended Product Warranty Term	7 years
Extended Warranty Four [Member]
Extended Product Warranty Term	10 years
Extended Warranty Five [Member]
Extended Product Warranty Term	15 years
Minimum [Member]
Product Warranty Period	30 days
Maximum [Member]
Product Warranty Period	1 year
Licensing Agreements [Member]
Finite-Lived Intangible Asset, Useful Life		17 years
Developed Technology Rights [Member]
Finite-Lived Intangible Asset, Useful Life		5 years
Trademarks [Member]
Finite-Lived Intangible Asset, Useful Life		20 years
Customer Lists [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life		3 years
Customer Lists [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life		15 years
Noncompete Agreements [Member]
Finite-Lived Intangible Asset, Useful Life		5 years
Patents [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life		5 years
Patents [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life		15 years