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Revenues and other income (Tables)
12 Months Ended
Dec. 31, 2021
Revenue [abstract]  
Schedule of revenues and other income
The following table summarizes the Company’s revenues and other income per category for the years ended December 31, 2021, 2020, and 2019.
For the year ended December 31,
(in thousands of euros)202120202019
Services50 40 
Other sales— 28 
Total revenues10 50 68 
Research tax credit2,490 1,927 2,437 
Subsidies126 526 20 
Other21 10 17 
Total other income2,637 2,462 2,473 
Total revenues and other income2,647 2,512 2,541