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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Statement of Comprehensive Income [Abstract]      
Net loss $ (29,799) $ (14,434) $ (30,584)
Other comprehensive loss      
Cumulative translation adjustment, net of tax 3,689 (7,245) (2,997)
Pension adjustment, net of tax (222) 3,859 2,056
Unrealized gains (losses) on available-for-sale securities 4 18 (21)
Comprehensive loss $ (26,328) $ (17,802) $ (31,546)