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Consolidated Statements of Operations and Comprehensive Loss (Details) | 12 Months Ended
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Dec. 31, 2023 EUR (€) € / shares shares | Dec. 31, 2023 EUR (€) $ / shares shares | Dec. 31, 2022 EUR (€) € / shares shares | Dec. 31, 2022 EUR (€) $ / shares shares | Dec. 31, 2021 EUR (€) € / shares shares
Consolidated Statements of Operations and Comprehensive Loss (Details) [Line Items] |  |  |  |  |
Sales and marketing expense | € 4,001,299 |  |  |  |
Expense | 1,000,000 |  |  |  |
Personnel cost | 1,900,000 |  |  |  |
Research and development expense | 41,024,131 |  | 37,526,090 |  | 35,697,935
General and administrative expenses | 12,628,756 |  | 14,869,564 |  | 11,984,722
Other income | 13,219,704 |  | 20,159,169 |  | € 54,221
Net financial cost | 500,000 | € 500,000 |  |  |
Interest income increased | 3,200,000 |  |  |  |
Short term marketable securities | 3,800,000 |  | 600,000 |  |
Foreign exchange | 4,300,000 |  |  |  |
Gain on foreign exchange |  |  | 2,400,000 |  |
Loss on foreign exchange | 1,800,000 |  |  |  |
Other financial amount | 77,504,518 | € 77,504,518 | 64,810,135 | € 64,810,135 |
Allowance for credit loss | € 300,000 |  | € 300,000 |  |
Weighted number of common shares outstanding | shares | 54,940,137 | 54,940,137 | 44,207,873 | 44,207,873 | 41,629,974
Loss per share | € / shares | € 0.78 |  | € 0.67 |  | € 1.1
Exercise price for options outstanding | € / shares | 0.01 |  | 0.01 |  |
weighted average fair value of options granted | (per share) | € 2.39 | € 2.58 |  |  |
Weighted average fair value options granted | (per share) |  |  | € 1.61 | € 1.7 |
Options granted | shares | 1,735,750 |  | 1,966,666 |  | 1,219,074
Options forfeited | shares | 31,000 |  |  |  | 36,400
Options exercised | shares | 105,327 |  | 14,930 |  |
Expected dividends | shares |  |  |  |  |
Research and Development Expense [Member] |  |  |  |  |
Consolidated Statements of Operations and Comprehensive Loss (Details) [Line Items] |  |  |  |  |
Research and development expense | € 3,500,000 |  |  |  |
General and Administrative Expenses [Member] |  |  |  |  |
Consolidated Statements of Operations and Comprehensive Loss (Details) [Line Items] |  |  |  |  |
General and administrative expenses | € 2,200,000 |  |  |  |
2017 [Member] |  |  |  |  |
Consolidated Statements of Operations and Comprehensive Loss (Details) [Line Items] |  |  |  |  |
Conversion rate | € / shares | € 0.905 |  | € 0.9376 |  |
Average rate | € / shares | € 0.9246 |  | € 0.9489 |  |
Weighted average remaining contractual life |  |  | 2016 years |  |
Weighted average remaining contractual life | 6 years 7 months 9 days |  | 6 years 8 months 12 days |  |
Maximum number of common shares available for grant | shares | 2,341,097 |  |  |  |
Ordinary shares percentage | 4.00% |  |  |  |
2016 Plan [Member] |  |  |  |  |
Consolidated Statements of Operations and Comprehensive Loss (Details) [Line Items] |  |  |  |  |
Weighted average remaining contractual life | 7 years 11 months 8 days |  | 8 years 11 months 8 days |  |
Bottom of Range [Member] |  |  |  |  |
Consolidated Statements of Operations and Comprehensive Loss (Details) [Line Items] |  |  |  |  |
Exercise price range | (per share) | € 1.74 | 1.86 | € 1.74 | 1.86 |
Top of Range [Member] |  |  |  |  |
Consolidated Statements of Operations and Comprehensive Loss (Details) [Line Items] |  |  |  |  |
Exercise price range | (per share) | € 4.82 | 5.14 | € 4.82 | 5.14 |
InflaRx GmbH [Member] |  |  |  |  |
Consolidated Statements of Operations and Comprehensive Loss (Details) [Line Items] |  |  |  |  |
Conversion rate | $ / shares |  | 0.905 |  | 0.9376 |
Average rate | $ / shares |  | € 0.9246 |  | € 0.9489 |
Executive Management [Member] |  |  |  |  |
Consolidated Statements of Operations and Comprehensive Loss (Details) [Line Items] |  |  |  |  |
Options granted | shares | 1,136,000 |  | 1,223,500 |  | 1,134,436
Options forfeited | shares |  |  | 136,259 |  |
Credit risk [Member] |  |  |  |  |
Consolidated Statements of Operations and Comprehensive Loss (Details) [Line Items] |  |  |  |  |
Other financial amount | € 600,000 | € 600,000 |  |  |

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