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Note 11 - Accrued Expenses - Accrued Expenses (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Sales commissions $ 2,542 $ 2,609
Subcontracting labor 990 1,550
Salaries, bonuses and related benefits 14,715 18,275
Warranty accrual 1,576 1,078
Other 7,095 8,778
$ 26,918 $ 32,290