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STOCK-BASED COMPENSATION - Fair Value Assumptions (Details) - Stock options - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Stock-Based Compensation
Risk-free interest rate	3.75%	2.89%	3.93%	2.63%
Expected volatility	79.29%	75.09%	79.45%	74.66%
Expected term	5 years 3 months 3 days	5 years 6 months 25 days	5 years 8 months 12 days	5 years 7 months 13 days
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
Fair value, per share	$ 0.11	$ 0.70	$ 0.20	$ 1.34

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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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.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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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.

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