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NATURE OF OPERATIONS - Product Warranty (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
NATURE OF OPERATIONS        
Term of product warranty     1 year  
Warranty liability, beginning of period $ 2,354 $ 2,829 $ 2,910 $ 3,049
Product warranty reserve accrued (released) 287 636 544 1,774
Warranty costs incurred (474) (666) (1,287) (2,024)
Warranty liability, end of period $ 2,167 $ 2,799 $ 2,167 $ 2,799