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SHARE-BASED PAYMENTS - Additional Information (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Oct. 22, 2020 shares | Jul. 31, 2021 USD ($) shares | Jun. 30, 2022 USD ($) shares | Jun. 30, 2022 USD ($) shares | Jun. 30, 2022 USD ($) € / shares
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] |  |  |  |  |
Number of awards, granted (in shares) | shares |  | 4,056,770 |  | 655,544 |
Warrant fair value per share (in dollars per share) | € / shares |  |  |  |  | € 3.66
Warrants exercise price per share | € / shares |  |  |  |  | € 3.01
Expense from share-based payment transactions with employees | $ |  |  | $ 16 | $ 21 |
Unrecognized expense from share-based payment | $ |  |  | $ 203 | $ 203 | € 203
Number of share warrants repurchased (in shares) | shares |  |  |  | 200,000 |
Share warrants repurchased | $ |  |  |  | $ 992 |
Liability-Classified Warrant Issued in November 2020 |  |  |  |  |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] |  |  |  |  |
Warrant liability | $ |  | $ 869 |  |  |
2020 Stock Incentive Plan | Common Stock |  |  |  |  |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] |  |  |  |  |
Number of instruments granted (in shares) | shares | 2,176,128 |  |  |  |
Warrant reserve | Risk Free Rate |  |  |  |  |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] |  |  |  |  |
Significant unobservable input, entity's own equity instruments |  |  | 0.0051 | 0.0051 | 0.0051
Options And Warrants | Expected Option Term Member |  |  |  |  |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] |  |  |  |  |
Significant unobservable input, entity's own equity instruments |  |  | 3.4 | 3.4 | 3.4
Options And Warrants | Expected Volatility Member |  |  |  |  |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] |  |  |  |  |
Significant unobservable input, entity's own equity instruments |  |  | 0.60 | 0.60 | 0.60
Restricted Share Units (RSU) |  |  |  |  |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement (in shares) | shares |  |  | 22,422 | 32,942 |

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