Note 2 - Certain Significant Estimates (Details Textual)	12 Months Ended
	Dec. 31, 2024
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