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Note 6 - Intangible Assets and Goodwill (Tables) | 6 Months Ended
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Jun. 30, 2024
Notes Tables |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | June 30, 2024 |  |  | December 31, 2023 |
Amortizable intangible assets: |  |  |  |  |  |  |  |
Patents |  | $ | 957 |  |  | $ | 873 |
Trademarks |  |  | 262 |  |  |  | 248 |
Purchased software and technology |  |  | 1,752 |  |  |  | 1,752 |
Customer Relationships |  |  | 160 |  |  |  | 160 |
|  | $ | 3,131 |  |  | $ | 3,033 |
Accumulated amortization |  |  | (1,026 | ) |  |  | (806 | )
Total amortizable |  | $ | 2,105 |  |  | $ | 2,227 |
Indefinite life assets (non-amortizable) |  |  | 421 |  |  |  | 421 |
Total intangible assets, net |  | $ | 2,526 |  |  | $ | 2,648 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
2024 (6 months) |  | $ | 227 |
2025 |  |  | 447 |
2026 |  |  | 360 |
2027 |  |  | 210 |
2028 |  |  | 210 |
Thereafter |  |  | 651 |
Total estimated amortization expense |  | $ | 2,105 |

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