STOCKHOLDERS' EQUITY - Schedule of Compensation Cost on Net Earnings (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Net earnings	$ (8,370)	$ (6,332)	$ (5,884)
Cost of sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation cost	845	1,115	1,147
Operating expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation cost	$ 9,957	$ 7,188	$ 6,449

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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