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Long Term Incentive Programs (Details) $ in Thousands | 1 Months Ended | 12 Months Ended
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Dec. 31, 2023 instrument | Aug. 31, 2023 EUR (€) shares € / shares | Aug. 31, 2023 EUR (€) kr / shares | Jan. 31, 2023 EUR (€) shares € / shares | Jan. 31, 2023 EUR (€) kr / shares | May 31, 2022 EUR (€) shares € / shares | May 31, 2022 EUR (€) kr / shares | Jan. 31, 2022 EUR (€) employee shares € / shares | Jan. 31, 2022 EUR (€) kr / shares | Dec. 31, 2023 EUR (€) instrument item € / shares shares | Dec. 31, 2023 USD ($) instrument item shares | Dec. 31, 2022 EUR (€) | Dec. 31, 2021 EUR (€) item | Dec. 31, 2020 EUR (€)
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum number of months' salary considered for annual cash bonus of Chief Executive Officer |  |  |  |  |  |  |  |  |  |  |  |  | 12 |
Maximum number of months' salary considered for annual cash bonus of selected employees |  |  |  |  |  |  |  |  |  |  |  |  | 6 |
Maximum number of months' salary considered for annual cash bonus of other employees |  |  |  |  |  |  |  |  |  |  |  |  | 3 |
Number of instruments exercisable | instrument | 0 |  |  |  |  |  |  |  |  | 0 | 0 |  |  |
Programme initiated in January 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total value of the RSU allocation |  |  |  |  |  |  |  | € 394,000 | € 394,000 |  |  |  |  |
Total value of the RSU allocation (in dollars per share) | € / shares |  |  |  |  |  |  |  | € 3.3 |  |  |  |  |  |
Expense recognized for RSUs granted |  |  |  |  |  |  |  | € 143,000 |  |  |  | € 157,000 |  |
Average remaining contractual term of RSUs | 6 months |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of options granted |  |  |  |  |  |  |  | € 160,000 | € 160,000 |  |  |  |  |
Fair value of options granted (in dollars per share) | € / shares |  |  |  |  |  |  |  | € 1.3 |  |  |  |  |  |
Expense recognized for options granted |  |  |  |  |  |  |  | € 62,000 |  |  |  | € 69,000 |  |
Average remaining contractual term of options |  |  |  |  |  |  |  | 3 years 3 months 18 days |  |  |  |  |  |
Annualized volatility of the shares (in percent) |  |  |  |  |  |  |  |  |  | 48.10% | 48.10% |  |  |
Annual risk free interest rate (in percent) |  |  |  |  |  |  |  |  |  | 1.00% | 1.00% |  |  |
Dividend yield |  |  |  |  |  |  |  |  |  | € 0 |  |  |  |
Average share price (in dollars per share) | € / shares |  |  |  |  |  |  |  |  |  | € 3.7 |  |  |  |
Programme initiated in January 2022 | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of RSUs granted | shares |  |  |  |  |  |  |  | 10,393 |  |  |  |  |  |
Number of options granted | employee |  |  |  |  |  |  |  | 10,393 |  |  |  |  |  |
Strike price of options granted | kr / shares |  |  |  |  |  |  |  |  | € 36.02 |  |  |  |  |
Programme initiated in January 2022 | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of RSUs granted | shares |  |  |  |  |  |  |  | 55,430 |  |  |  |  |  |
Number of options granted | employee |  |  |  |  |  |  |  | 55,430 |  |  |  |  |  |
Strike price of options granted | kr / shares |  |  |  |  |  |  |  |  | € 38.42 |  |  |  |  |
Programme initiated in May 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Strike price of options granted | kr / shares |  |  |  |  |  |  | kr 40.24 |  |  |  |  |  |  |
Fair value of options granted |  |  |  |  |  | € 761,000 | kr 761,000 |  |  |  |  |  |  |
Fair value of options granted (in dollars per share) | € / shares |  |  |  |  |  | € 1.3 |  |  |  |  |  |  |  |
Average remaining contractual term of options | 4 years 3 months 18 days |  |  |  |  |  |  |  |  |  |  |  |  |
Expense recognized in profit and loss |  |  |  |  |  | € 237,000 |  |  |  |  |  |  |  |
Annualized volatility of the shares (in percent) |  |  |  |  |  |  |  |  |  | 42.50% | 42.50% |  |  |
Annual risk free interest rate (in percent) |  |  |  |  |  |  |  |  |  | 2.80% | 2.80% |  |  |
Dividend yield |  |  |  |  |  |  |  |  |  | € 0 |  |  |  |
Average share price (in dollars per share) | € / shares |  |  |  |  |  |  |  |  |  | € 3.7 |  |  |  |
Programme initiated in May 2022 | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted | shares |  |  |  |  |  | 43,420 |  |  |  |  |  |  |  |
Programme initiated in May 2022 | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted | shares |  |  |  |  |  | 221,719 |  |  |  |  |  |  |  |
Programme initiated in January 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total value of the RSU allocation |  |  |  | € 1,200,000 | € 1,200,000 |  |  |  |  |  |  |  |  |
Total value of the RSU allocation (in dollars per share) | € / shares |  |  |  | € 3.0 |  |  |  |  |  |  |  |  |  |
Average remaining contractual term of RSUs |  |  |  | 1 year 6 months |  |  |  |  |  |  |  |  |  |
Expense recognized in profit and loss |  |  |  | € 498,000 |  |  |  |  |  |  |  |  |  |
Average share price (in dollars per share) | kr / shares |  |  |  |  | € 36.56 |  |  |  |  |  |  |  |  |
Programme initiated in January 2023 | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of RSUs granted | shares |  |  |  | 19,760 |  |  |  |  |  |  |  |  |  |
Programme initiated in January 2023 | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of RSUs granted | shares |  |  |  | 130,416 |  |  |  |  |  |  |  |  |  |
Programme initiated in August 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Strike price of options granted | kr / shares |  |  | kr 45.49 |  |  |  |  |  |  |  |  |  |  |
Fair value of options granted |  | € 2,200,000 | kr 2,200,000 |  |  |  |  |  |  |  |  |  |  |
Fair value of options granted (in dollars per share) | € / shares |  | € 1.8 |  |  |  |  |  |  |  |  |  |  |  |
Average remaining contractual term of options | 5 years 6 months |  |  |  |  |  |  |  |  |  |  |  |  |
Expense recognized in profit and loss |  | € 250,000 |  |  |  |  |  |  |  |  |  |  |  |
Annualized volatility of the shares (in percent) |  |  |  |  |  |  |  |  |  | 61.00% | 61.00% |  |  |
Annual risk free interest rate (in percent) |  |  |  |  |  |  |  |  |  | 2.68% | 2.68% |  |  |
Dividend yield | $ |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |
Average share price (in dollars per share) | € / shares |  |  |  |  |  |  |  |  |  | € 3.7 |  |  |  |
Programme initiated in August 2023 | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted | shares |  | 88,920 |  |  |  |  |  |  |  |  |  |  |  |
Programme initiated in August 2023 | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted | shares |  | 385,320 |  |  |  |  |  |  |  |  |  |  |  |
Previous share-based incentive scheme for key employees in connection with IPO |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares to be issued | shares |  |  |  |  |  |  |  |  |  | 146,626 | 146,626 |  |  |
Estimated initial cost of incentive |  |  |  |  |  |  |  |  |  | € 504,000 |  |  |  |
Amount of incentive paid |  |  |  |  |  |  |  |  |  | 734,000 |  |  |  |
Amount of charge to equity for incentive paid |  |  |  |  |  |  |  |  |  | € 230,000 |  |  |  |
Previous share-based incentive scheme for key employees in connection with IPO | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of month's salary considered for incentive to be paid in shares | item |  |  |  |  |  |  |  |  |  | 1 | 1 |  |  |
Previous share-based incentive scheme for key employees in connection with IPO | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of month's salary considered for incentive to be paid in shares | item |  |  |  |  |  |  |  |  |  | 8 | 8 |  |  |
Previous share-based incentive scheme for key employees for the continuous employment |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount reversed in equity for termination of programme |  |  |  |  |  |  |  |  |  |  |  |  | € 167,000 | € 3,000
Previous share-based incentive scheme for key employees for the continuous employment | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of month's salary considered for incentive to be paid in shares | item |  |  |  |  |  |  |  |  |  | 2 | 2 |  |  |
Previous share-based incentive scheme for key employees for the continuous employment | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of month's salary considered for incentive to be paid in shares | item |  |  |  |  |  |  |  |  |  | 4 | 4 |  |  |
Previous tiered annual bonus scheme for CEO |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long Term Incentive Programs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum number of months' gross salary considered for annual bonus | item |  |  |  |  |  |  |  |  |  |  |  |  | 8 |
Number of days from date of filing of the Company's audited accounts considered for determination of share price of annual bonus to be issued | item |  |  |  |  |  |  |  |  |  |  |  |  | 30 |

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- Definition Maximum number of months' salary considered for annual cash bonus of Chief Executive Officer, under the long-term incentive program. + References No definition available. + Details
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- Definition The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options and other equity instruments granted is expressed, with a remaining term equal to the expected term of the instrument being valued (based on the instruments' remaining contractual life and taking into account the effects of expected early exercise). + References No definition available. + Details
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- Definition The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The weighted average fair value at the measurement date of granted equity instruments other than share options. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_b&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The weighted average share price. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2023-01-01 -Paragraph 45 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_45_c&doctype=Standard -URIDate 2023-03-23 + Details
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