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SHARE CAPITAL - Narrative (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 EUR (€) € / shares shares | Dec. 31, 2019 EUR (€) shares
Disclosure of classes of share capital [line items] |  |
Share capital | € | € 2,799,253.44 | € 3,000,000
Nominal value of ordinary fully-paid shares (in EUR per share) | € / shares | € 0.02 |
Number of vote rights per share | 1 |
Antidilutive securities (in shares) | 6,402,289 |
Ordinary shares |  |
Disclosure of classes of share capital [line items] |  |
Number of ordinary shares (in shares) | 139,962,672 | 137,867,418

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