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NATURE OF OPERATIONS - Product Warranty (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
NATURE OF OPERATIONS        
Term of product warranty     1 year  
Warranty liability, beginning of period $ 3,314 $ 3,057 $ 2,910 $ 3,049
Product warranty reserve accrued (released) (579) 537 257 1,174
Warranty costs incurred (381) (765) (813) (1,394)
Warranty liability, end of period $ 2,354 $ 2,829 $ 2,354 $ 2,829