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Note 9 - Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | December 31,
|  | 2019 |  | 2018
Licenses |  |  | 1,466 |  |  |  | 1,431 |
Trade name and trademark |  |  | 427 |  |  |  | 414 |
Patents |  |  | 412 |  |  |  | 412 |
Organization costs |  |  | 320 |  |  |  | 320 |
Total gross value |  |  | 2,625 |  |  |  | 2,577 |
Accumulated amortization for licenses |  |  | (699 | ) |  |  | (587 | )
Accumulated amortization for trade name and trademark |  |  | (424 | ) |  |  | (411 | )
Accumulated amortization for patents |  |  | (412 | ) |  |  | (412 | )
Accumulated amortization for organization costs |  |  | (320 | ) |  |  | (320 | )
Less: Total accumulated amortization |  |  | (1,855 | ) |  |  | (1,730 | )
Total |  |  | 770 |  |  |  | 847 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
|  | December 31, 2019
2020 |  |  | 106 |
2021 |  |  | 97 |
2022 |  |  | 90 |
2023 |  |  | 83 |
2024 |  |  | 83 |
Total |  |  | 460 |

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