Annual report pursuant to Section 13 and 15(d)

Note 11 - Warranty Liability (Details Textual)

v3.22.4
Note 11 - Warranty Liability (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Standard Product Warranty Period of Warranty History Used in Estimating Warranty Costs (Year) 5 years      
Standard Product Warranty Accrual, Ending Balance $ 7,876 $ 6,368 $ 5,812 $ 6,541
Standard Product Warranty Accrual, Noncurrent 3,318 2,723    
Standard Product Warranty Accrual, Current $ 4,558 $ 3,645    
Snow And Ice Control Equipment [Member] | Minimum [Member]        
Standard Product Warranty Period (Year) 1 year      
Snow And Ice Control Equipment [Member] | Maximum [Member]        
Standard Product Warranty Period (Year) 2 years      
Parts And Accessories [Member]        
Standard Product Warranty Period (Year) 1 year      
Certain Snowplows [Member]        
Standard Product Warranty Period (Year) 1 year