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Income Tax (Tables) | 12 Months Ended
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Dec. 31, 2021
Deferred tax expense (income) [abstract] |
Breakdown of deferred taxes by nature | Breakdown of deferred taxes by nature
|  |  | As of | Impact on | Impact on the | As of
| (in € thousands) |  | 12/31/2019 | equity | profit/loss | 12/31/2020
| Deferred tax liabilities |  | (3,182) | — | 1,132 | (2,050)
| Deferred tax assets |  | 1,988 | — | (706) | 1,282
| TOTAL |  | (1,193) | — | 426 | (768)
|  |  | As of | Impact on | Impact on the | As of
| (in € thousands) |  | 12/31/2020 | equity | profit/loss | 12/31/2021
| Deferred tax liabilities |  | (2,049) | (2,721) | 2,455 | (2,314)
| Deferred tax assets |  | 1,282 | — | 430 | 1,712
| TOTAL |  | (767) | (2,721) | 2,885 | (602)
Schedule of effective tax rate | Effective tax rate
|  |  | Year ended
| (in € thousands) |  | 2019/12/31 | 2020/12/31 | 2021/12/31
| Profit (loss) for the period |  | (65,144) | (101,221) | 67,259
| Tax gain (expense) |  | 576 | 428 | (2,215)
| Profit (loss) for the period before taxes |  | (65,721) | (101,649) | 69,474
| Tax rate in France |  | 32.02 | % | 28.92 | % | 27.37 | %
| Theoretical group tax rate in France |  | 21,046 | 29,401 | (19,018)
| Increase / decrease in tax benefit arising from : |  |  |  |
| Tax credits |  | 2,588 | 1,739 | 1,512
| Permanent differences |  | 3,341 | (404) | 833
| Differences between rates |  | 125 | 172 | 7,323
| Tax losses for the period, unrecognised as deferred tax assets |  | (25,274) | (28,603) | 0
| Utilisation of previously unrecognised tax losses |  | 0 | 0 | 5,590
| IFRS adjustments without tax incidence |  | (530) | (358) | (129)
| Non recognition of deffered tax assets related to temporary differences |  | (114) | (775) | (24)
| Recognition of deferred tax assets against deferred tax liabilities |  | (889) | (706) | 430
| Tax effects related to the renegociation of the convertible debt |  | 0 | 0 | 1,370
| Others |  | 284 | (39) | (102)
| Income tax expense recognised in profit or loss |  | 576 | 428 | (2,215)
| Effective income rate |  | (0.88) | % | (0.42) | % | (3.19) | %

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- Definition Disclosure Of Reconciliation Of Accounting Profit Multiplied By Applicable Tax Rates And Average Effective Tax Rate + References No definition available. + Details
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- Definition The disclosure of types of temporary differences, unused tax losses and unused tax credits. [Refer: Unused tax credits [member]; Unused tax losses [member]; Temporary differences [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_g&doctype=Standard -URIDate 2021-03-24 + Details
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