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Note 3 - Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule of Goodwill [Table Text Block] |
(in thousands) |  |  |  |
Carrying amount at December 31, 2021 |  | $ | 57,689 |
Effect of change in currency translation |  |  | (1,457 | )
Carrying amount at June 30, 2022 |  | $ | 56,232 |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
|  |  |  |  |  | June 30, 2022 |  |  | December 31, 2021 |
(in thousands) |  | Average |  |  |  |  |  |  | Accumulated |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |
Amortizable intangible assets: |  | Life* |  |  | Gross |  |  | Amortization |  |  | Net |  |  | Gross |  |  | Amortization |  |  | Net |
Distribution agreements/customer relationships |  |  | 7.4 |  |  | $ | 17,182 |  |  | $ | (8,965 | ) |  | $ | 8,217 |  |  | $ | 17,689 |  |  | $ | (8,675 | ) |  | $ | 9,014 |
Existing technology |  |  | 3.7 |  |  |  | 38,220 |  |  |  | (25,348 | ) |  |  | 12,872 |  |  |  | 38,707 |  |  |  | (23,962 | ) |  |  | 14,745 |
Trade names and patents |  |  | 4.0 |  |  |  | 8,324 |  |  |  | (5,416 | ) |  |  | 2,908 |  |  |  | 8,496 |  |  |  | (5,108 | ) |  |  | 3,388 |
Total amortizable intangible assets |  |  |  |  |  | $ | 63,726 |  |  | $ | (39,729 | ) |  | $ | 23,997 |  |  | $ | 64,892 |  |  | $ | (37,745 | ) |  | $ | 27,147 |
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 222 |  |  |  |  |  |  |  |  |  |  |  | 238 |
Total intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 24,219 |  |  |  |  |  |  |  |  |  |  | $ | 27,385 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
|  | Amortization |
|  | Expense |
(in thousands) |  |  |  |
2022 (remainder of year) |  | $ | 2,870 |
2023 |  |  | 5,672 |
2024 |  |  | 5,375 |
2025 |  |  | 4,100 |
2026 |  |  | 2,360 |
Thereafter |  |  | 3,620 |
Total |  | $ | 23,997 |

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