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Note 10 - Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
|  | 2021 |  |  | 2020 |
|  | Historical Cost |  |  | Accumulated Amortization |  |  | Historical Cost |  |  | Accumulated Amortization |
Finite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  | $ | 7,769 |  |  | $ | 7,255 |  |  | $ | 7,876 |  |  | $ | 6,991 |
Technology and drawings |  |  | 6,750 |  |  |  | 4,305 |  |  |  | 6,761 |  |  |  | 4,015 |
Other intangibles |  |  | 2,307 |  |  |  | 1,641 |  |  |  | 2,307 |  |  |  | 1,521 |
Total finite-lived intangible assets |  |  | 16,826 |  |  |  | 13,201 |  |  |  | 16,944 |  |  |  | 12,527 |
Goodwill |  |  | 27,243 |  |  |  | - |  |  |  | 27,537 |  |  |  | - |
Trade names and trademarks |  |  | 2,218 |  |  |  | - |  |  |  | 2,221 |  |  |  | - |
Total |  | $ | 46,287 |  |  | $ | 13,201 |  |  | $ | 46,702 |  |  | $ | 12,527 |
Schedule of Goodwill [Table Text Block] |
|  | Goodwill |
Balance at December 31, 2019 |  | $ | 27,215 |
Acquisitions |  |  | - |
Impairment |  |  | - |
Foreign currency |  |  | 322 |
Balance at December 31, 2020 |  | $ | 27,537 |
Acquisitions |  |  | - |
Impairment |  |  | - |
Foreign currency |  |  | (294 | )
Balances at December 31, 2021 |  | $ | 27,243 |

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