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Loans and Borrowings - Additional Information (Details) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |  |  |
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Apr. 06, 2022 EUR (€) | Mar. 02, 2022 EUR (€) | Dec. 22, 2021 shares | Nov. 26, 2021 EUR (€) | Sep. 01, 2021 EUR (€) shares | Jul. 23, 2021 EUR (€) | Jul. 20, 2021 EUR (€) | Jun. 29, 2021 EUR (€) | Jun. 24, 2021 EUR (€) bank | Jun. 20, 2021 | Apr. 06, 2021 EUR (€) bond shares | Mar. 02, 2021 EUR (€) shares | Feb. 04, 2021 EUR (€) shares | Jan. 25, 2021 EUR (€) euroPerBond oCEANE | Jan. 01, 2021 EUR (€) bond | Nov. 23, 2020 euroPerBond oCEANE | Oct. 16, 2017 EUR (€) euroPerBond oCEANE | Dec. 31, 2014 EUR (€) | Aug. 31, 2021 bond | Mar. 31, 2021 bond | Feb. 28, 2021 bond | Jan. 31, 2021 bond | Mar. 31, 2021 bond | Jun. 30, 2021 EUR (€) euroPerBond oCEANE | Dec. 31, 2021 EUR (€) shares payment installment | Dec. 31, 2020 EUR (€) | Dec. 31, 2019 EUR (€) | Nov. 30, 2021 EUR (€) | Nov. 23, 2021 EUR (€) | Jul. 31, 2021 EUR (€) | Mar. 31, 2020 EUR (€) | Dec. 23, 2008 EUR (€)
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Volatility, first level |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30.00% |  |  |  |  |  |  |
Volatility, second level |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 35.00% |  |  |  |  |  |  |
No-risk rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (0.45%) |  |  |  |  |  |  |
Capital increase |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 65,332,000 | € 0 | € 126,479,000 |  |  |  |  |
Fee and commission expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,303,000 | 745,000 |  |  |  |  |  |
Deferred tax liability (asset) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 767,000 |  |  |  |  |  |  |  |  |  | 602,000 | 768,000 | 1,193,000 |  |  |  |  |
Deferred tax liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 602,000 | 767,000 | 1,193,000 |  |  |  |  |
Deferred tax assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 0 | 0 | 0 |  |  |  |  |
Loan deferment on interest, period (in years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |
Number of biannual installments | installment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |
+ Proceeds from new loans and borrowings net of issue costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 15,270,000 | € 0 | € 0 |  |  |  |  |
Proportion of loan guaranteed by the French government (in percent) |  |  |  |  |  |  | 90.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued during period (in shares) | shares |  |  | 3,985,239 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit spread |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.74% |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit spread |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9.76% |  |  |  |  |  |  |
Potential ordinary share transactions [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of new shares issued (in percent) | 21.24% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First Year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.25% |  |  |  |  |  |  |
Bonds after OCEANEs buyback |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nominal amount of the loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 56,940,000 |  |  |  |  |  |  |  |
BPI FRANCE - IT-DIAB |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discounted rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.19% |  |  |  |  |  |  |  |  |  |  |  |  |  |
BPI FRANCE - IT-DIAB | Conditional |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advances received |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 3,229,000
BPI FRANCE - IT-DIAB | Non-repayable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government grants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 3,947,000
OCEANE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of debt instruments issued | oCEANE |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,895,260 |  | 3,048,780 | 6,081,081 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nominal value per unit (in EUR per bond) | euroPerBond |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.40 |  | 16.40 | 29.60 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate nominal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 180,000,000 |  |  |  |  |  |  |  | € 57,000,000 |  |  |  |  |  |  |
Extension of maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion / exchange premium |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 550.00% |  |  |  |  |  | 550.00% |  |  |  | 100.00% |  |  |  |  |  |
Accrued interest portion of buyback amount (in EUR per share) | euroPerBond |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.30 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Buyback amount |  |  |  |  |  |  |  |  |  |  |  |  |  | € 47,480,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Buyback (EUR per bond) | euroPerBond |  |  |  |  |  |  |  |  |  |  |  |  |  | 27.80 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt component of a new amended OCEANE (in EUR per bond) | euroPerBond |  |  |  |  |  |  |  |  |  |  |  |  |  | 24.12 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity instrument of new amended OCEANE (in EUR per bond) | euroPerBond |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.68 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, recognized for amended obligation |  |  |  |  |  |  |  |  |  |  |  |  |  | € 76,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment for partial buyback |  |  |  |  |  |  |  |  |  |  |  |  |  | 47,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recognition of financial gain before tax |  |  |  |  |  |  |  |  |  |  |  |  |  | 35,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New O C E AN E shares (in shares) |  |  |  |  | 10,000 |  |  |  |  |  | 216,591 | 483,330 | 552,238 |  | 552,238 |  |  |  | 10,000 | 216,591 | 483,330 | 552,238 | 216,591 |  | 10,000 |  |  |  |  |  |  |
Capital increase | € 297,812.5 | € 664,578.75 |  |  | € 13,750,000 |  |  |  |  |  |  |  | € 759,327.25 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New shares created (in shares) | shares |  |  |  |  | 55,000 |  |  |  |  |  | 1,191,250 | 2,658,312 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction in financial debt |  |  |  |  | € 200,000 |  |  |  |  |  | € 5,200,000 | € 11,660,000 | € 13,320,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 2,000,000 |
Deferred tax assets |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,800,000 |  |  |  |  |  |  |  |  |  |  |  | € 1,300,000 |  |  |  |  |  |
Number of shares issued during period (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  | 3,037,309 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in equity before deferred taxes |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount derecognized |  |  |  |  |  |  |  |  |  |  |  |  |  | € 94,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
OCEANE | Bonds after OCEANEs buyback |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of debt instruments issued | oCEANE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,185,821 |  |  |  |  |  |  | 1,923,662 |  |  |  |  |  |  |  |
Nominal value per unit (in EUR per bond) | euroPerBond |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29.60 |  |  |  |  |  |  | 29.60 |  |  |  |  |  |  |  |
Effective interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8.80% |  |  |  |  |  |  | 8.80% |  |  |  |  |  |  |  |
Nominal amount of the loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 94,300,301.6 |  |  |  |  |  |  | € 56,940,395.2 |  |  |  |  |  |  |  |
O C E A N E 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of debt instruments issued | oCEANE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,185,821 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nominal value per unit (in EUR per bond) | euroPerBond |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29.60 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion / exchange premium |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 550.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conditional advances | BPI FRANCE - IT-DIAB | Additional Payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum amount to be paid if any further amounts to be paid as conditional advance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 14,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pret Garanti Par L etat (PGE) Bancaire |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New debt recognized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 10,958,000 |  |  |  |  |  |  |
Number of quarterly payments, amortization and interest | payment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 |  |  |  |  |  |  |
Interest rate (in percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.25% |  |  |  |  |  |  |
Nominal amount of the loan |  |  |  |  |  |  |  |  | € 11,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 11,000,000 |  |  |  |  |  | € 2,000,000 |  |
Number of French banks | bank |  |  |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, initial term (in years) |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment options, up to (in years) |  |  |  |  |  |  |  |  | 6 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
+ Proceeds from new loans and borrowings net of issue costs |  |  |  |  |  |  |  | € 10,919,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of loan guaranteed by the French government (in percent) |  |  |  |  |  |  | 90.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pret Garanti Par L etat (PGE) Bancaire | Within 1 Year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, recognized using effective interest rate, less than a year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 0 |  |  |  |  |  |  |
Pret Garanti Par L etat (PGE) Bancaire | First Year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (in percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |
Pret Garanti Par L etat (PGE) Bancaire | Third Year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (in percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |
Pret Garanti Par L etat (PGE) Bancaire | Effective Interest Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (in percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.75% |  |  |  |  |  |  |
BPI PGE |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New debt recognized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 2,002,000 |  |  |  |  |  |  |
Nominal amount of the loan |  |  |  |  |  |  | € 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, initial term (in years) |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment options, up to (in years) |  |  |  |  |  |  |  |  |  | 6 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
+ Proceeds from new loans and borrowings net of issue costs |  |  |  |  |  | € 1,985,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of loan guaranteed by the French government (in percent) |  |  |  |  |  |  | 90.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BPI PGE | Within 1 Year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, recognized using effective interest rate, less than a year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 125,000 |  |  |  |  |  |  |
BPI PGE | Effective Interest Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (in percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.95% |  |  |  |  |  |  |
Subsidized Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New debt recognized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 2,250,000 |  |  |  |  |  |  |
Number of quarterly payments, amortization and interest | payment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16 |  |  |  |  |  |  |
Number of quarterly payments, | payment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 |  |  |  |  |  |  |
Nominal amount of the loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 2,300,000 | € 2,250,000 |  |  |
Debt instrument, initial term (in years) |  |  |  | 6 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
+ Proceeds from new loans and borrowings net of issue costs |  |  |  | € 2,250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidized Loan | Within 1 Year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, recognized using effective interest rate, less than a year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 0 |  |  |  |  |  |  |
Subsidized Loan | First Year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (in percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.85% |  |  |  |  |  |  |
Interest Rate, including state guarantee (in percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.28% |  |  |  |  |  |  |
Subsidized Loan | Effective Interest Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (in percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.27% |  |  |  |  |  |  |
Convertible loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible bond, yearly interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,993,000 |  |  |  |  |  |  |

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