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STOCKHOLDERS' EQUITY - WARRANT EXERCISES (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2023
Class of Warrant or Right [Line Items] |  |  |
Proceeds from exercise of warrants |  |  | $ 77,602,000
Pre-Funded Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Warrant exercise price | $ 0.001 |  | $ 0.001
Common stock outstanding warrants to purchase | 51,430,477 |  | 51,430,477
2020 Public Offering of Common Stock and Warrants | Stock Purchase Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Warrant exercise price | $ 1.3 |  | $ 1.3
Common stock outstanding warrants to purchase | 2,474,503 |  | 2,474,503
2022 Underwritten Public Offering | Stock Purchase Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Warrant exercise price | $ 1.45 |  | $ 1.45
Common stock outstanding warrants to purchase | 19,523,812 |  | 19,523,812
Underwritten Public Offering | Stock Purchase Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Warrants to purchase common stock exercised, shares | 12,842,857 | 44,983,194 | 12,842,857
Proceeds from exercise of warrants | $ 17,767,000 | $ 59,835,000 |

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