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Operating expenses (Other operating income (expenses) excluded) (Tables) | 12 Months Ended
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Dec. 31, 2020
Operating expenses (Other operating income (expenses) excluded) |
Schedule of Research and Development, Marketing |
|  | Research and |  | Marketing — business |  | General and |  |
December 31, 2018 |  | development |  | development |  | administrative |  |
(in thousands of euros) |  | expenses |  | expenses |  | expenses |  | Total
Disposables |  | (2,210) |  | — |  | — |  | (2,210)
Energy and liquids |  | (504) |  | — |  | — |  | (504)
Patents |  | (401) |  | — |  | — |  | (401)
Studies |  | (17,351) |  | — |  | — |  | (17,351)
Maintenance |  | (934) |  | — |  | — |  | (934)
Fees |  | (98) |  | 0 |  | (1,431) |  | (1,530)
IT systems |  | (766) |  | (9) |  | (49) |  | (824)
Support costs (including taxes) |  | — |  | — |  | (584) |  | (584)
Personnel costs |  | (7,625) |  | (182) |  | (2,266) |  | (10,072)
Depreciation, amortization and provisions |  | (890) |  | — |  | (179) |  | (1,069)
Other |  | (978) |  | (34) |  | (1,536) |  | (2,549)
Total operating expenses |  | (31,758) |  | (225) |  | (6,045) |  | (38,028)
|  | Research and |  | Marketing — business |  | General and |  |
December 31, 2019 |  | development |  | development |  | administrative |  |
(in thousands of euros) |  | expenses |  | expenses |  | expenses |  | Total
Disposables |  | (1,560) |  | — |  | — |  | (1,560)
Energy and liquids |  | (505) |  | — |  | — |  | (505)
Patents |  | (506) |  | — |  | — |  | (506)
Studies |  | (19,353) |  | — |  | — |  | (19,353)
Maintenance |  | (933) |  | — |  | — |  | (933)
Fees |  | (239) |  | — |  | (987) |  | (1,226)
IT systems |  | (793) |  | (8) |  | (46) |  | (847)
Support costs (including taxes) |  |  |  |  |  | (568) |  | (568)
Personnel costs |  | (8,076) |  | (202) |  | (2,703) |  | (10,981)
Depreciation, amortization and provisions |  | (1,060) |  | — |  | (396) |  | (1,456)
Other |  | (765) |  | (40) |  | (1,387) |  | (2,192)
Total operating expenses |  | (33,790) |  | (250) |  | (6,087) |  | (40,127)
|  | Research and |  | Marketing — business |  | General and |  |
December 31, 2020 |  | development |  | development |  | administrative |  |
(in thousands of euros) |  | expenses |  | expenses |  | expenses |  | Total
Disposables |  | (1,243) |  | — |  | — |  | (1,243)
Energy and liquids |  | (539) |  | — |  | — |  | (539)
Patents |  | (343) |  | — |  | — |  | (343)
Studies |  | (10,987) |  | — |  | — |  | (10,987)
Maintenance |  | (846) |  | — |  | — |  | (846)
Fees |  | (201) |  | (341) |  | (2,005) |  | (2,548)
IT systems |  | (597) |  | (8) |  | (46) |  | (651)
Support costs (including taxes) |  | — |  | — |  | (722) |  | (722)
Personnel costs |  | (7,518) |  | (197) |  | (2,964) |  | (10,680)
Depreciation, amortization and provisions |  | (832) |  | — |  | (177) |  | (1,009)
Other |  | (608) |  | (16) |  | (2,585) |  | (3,209)
Total operating expenses |  | (23,717) |  | (563) |  | (8,499) |  | (32,779)
Schedule of Personnel costs and headcount |
|  | Research and |  | Marketing — business |  | General and |  |
December 31, 2018 |  | development |  | development |  | administrative |  |
(in thousands of euros) |  | expenses |  | expenses |  | expenses |  | Total
Wages, salaries and similar costs |  | (5,085) |  | (178) |  | (1,349) |  | (6,613)
Payroll taxes |  | (1,981) |  | (3) |  | (576) |  | (2,560)
CICE tax credit |  | 103 |  | — |  | 20 |  | 124
Provisions for retirement benefit obligations |  | (145) |  | — |  | (45) |  | (190)
Share‑based compensation expense |  | (516) |  | (1) |  | (316) |  | (833)
Total personnel costs |  | (7,625) |  | (182) |  | (2,266) |  | (10,072)
|  | Research and |  | Marketing — business |  | General and |  |
December 31, 2019 |  | development |  | development |  | administrative |  |
(in thousands of euros) |  | expenses |  | expenses |  | expenses |  | Total
Wages, salaries and similar costs |  | (4,908) |  | (178) |  | (1,491) |  | (6,577)
Payroll taxes |  | (2,206) |  | (1) |  | (634) |  | (2,841)
Provisions for retirement benefit obligations |  | (95) |  | — |  | (61) |  | (156)
Share‑based compensation expense |  | (868) |  | (22) |  | (517) |  | (1,407)
Total personnel costs |  | (8,076) |  | (202) |  | (2,703) |  | (10,981)
|  | Research and |  | Marketing — business |  | General and |  |
December 31, 2020 |  | development |  | development |  | administrative |  |
(in thousands of euros) |  | expenses |  | expenses |  | expenses |  | Total
Wages, salaries and similar costs |  | (4,590) |  | (183) |  | (1,669) |  | (6,442)
Payroll taxes |  | (2,180) |  | 8 |  | (926) |  | (3,098)
Provisions for retirement benefit obligations |  | (141) |  | — |  | (60) |  | (202)
Share-based compensation expense |  | (607) |  | (22) |  | (309) |  | (938)
Total personnel costs |  | (7,518) |  | (197) |  | (2,964) |  | (10,680)

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