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Note 11 - Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | December 31, |
|  | 2019 |  |  | 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 |

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