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Note 21 - Research and Development Expenses (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Research and Development Expenses [Table Text Block] |
|  | 2019 |  | 2018 |  | 2017
Gross research and development expenses |  |  | (4,727 | ) |  |  | (4,863 | ) |  |  | (4,539 | )
Research Tax Credit |  |  | 762 |  |  |  | 685 |  |  |  | 504 |
Grants |  |  | 236 |  |  |  | 90 |  |  |  | 154 |
Net Research and development expenses |  |  | (3,728 | ) |  |  | (4,088 | ) |  |  | (3,881 | )

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