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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Product Warranty (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Term of product warranty 1 year  
Warranty liability, beginning of year $ 2,876 $ 2,594
Product warranty accrued 2,874 2,152
Warranty costs incurred (2,701) (1,870)
Warranty liability, end of year 3,049 2,876
Advertising Costs $ 120 $ 367