STOCK-BASED COMPENSATION - Assumptions (Details) - Stock Options - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | |
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Dec. 31, 2022 |
Dec. 31, 2021 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Expected dividend yield | $ 0 | $ 0 |
| Minimum | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Volatility | 107.25% | 90.01% |
| Expected term (in years) | 5 years 7 months 13 days | 5 years 8 months 8 days |
| Risk-free rate | 1.47% | 0.69% |
| Weighted average grant date fair value per share (in dollars per share) | $ 1.08 | $ 2.07 |
| Maximum | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Volatility | 111.06% | 106.22% |
| Expected term (in years) | 5 years 11 months 8 days | 5 years 11 months 4 days |
| Risk-free rate | 3.17% | 1.08% |
| Weighted average grant date fair value per share (in dollars per share) | $ 3.34 | $ 3.44 |
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Disclosure of the weighted average expected dividend for an entity using a valuation technique with different dividend rates during the contractual term. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Rate of weighted-average expected volatility for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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