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Note 9 - Accrued Expenses - Accrued Expenses (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Salaries, bonuses and related benefits | $ 18,403 | $ 33,566
Deferred revenue | 2,606 | 3,046
Accrued restructuring costs | 4,287 | 5,498
Sales commissions | 1,929 | 2,347
Warranty accrual | 1,594 | 1,542
Other | 7,953 | 8,658
Accrued Liabilities, Current | $ 36,772 | $ 54,657

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