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Note 8 - Accrued Expenses - Accrued Expenses (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Sales commissions $ 2,012 $ 2,049
Subcontracting labor 1,977 1,622
Salaries, bonuses and related benefits 17,065 21,342
Warranty accrual 1,038 1,056
Other 8,024 8,384
Accrued Liabilities, Current, Total $ 30,116 $ 34,453