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Note 4 - Inventories (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule of Inventory, Current [Table Text Block] |
Inventories, net: |  | June 30, 2022 |  |  | December 31, 2021 |
Raw materials and in-process |  | $ | 35,952 |  |  | $ | 23,263 |
Finished parts |  |  | 53,786 |  |  |  | 52,039 |
Finished products |  |  | 11,396 |  |  |  | 10,346 |
Total net inventories |  | $ | 101,134 |  |  | $ | 85,648 |

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