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Note 11 - Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | December 31, |
|  | 2020 |  |  | 2019 |
Sales commissions |  | $ | 2,574 |  |  | $ | 2,542 |
Subcontracting labor |  |  | 758 |  |  |  | 990 |
Salaries, bonuses and related benefits |  |  | 17,165 |  |  |  | 14,715 |
Warranty accrual |  |  | 1,010 |  |  |  | 1,576 |
Other |  |  | 6,969 |  |  |  | 7,095 |
|  | $ | 28,476 |  |  | $ | 26,918 |

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