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BASIS OF PRESENTATION (Details) $ in Thousands |  |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | --- | ---
May 09, 2024 | Aug. 11, 2023 | May 24, 2023 | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
BASIS OF PRESENTATION |  |  |  |  |  |  |  |
Reverse stock split |  | 0.02 |  |  |  |  |  |
Cash and cash equivalents |  |  |  | $ 6,387 |  | $ 6,387 |  | $ 5,182
Operating loss |  |  |  | 3,270 | $ 3,219 | 6,686 | $ 7,029 |
Accumulated deficit |  |  |  | 164,085 |  | 164,085 |  | $ 159,957
Product sales, net |  |  |  | $ 171 | $ 244 | $ 295 | $ 350 |
2022 Warrants |  |  |  |  |  |  |  |
BASIS OF PRESENTATION |  |  |  |  |  |  |  |
Number of days, warrants exercise price reset | 5 days |  |  |  |  | 5 days |  |
Class A Common Stock | Minimum |  |  |  |  |  |  |  |
BASIS OF PRESENTATION |  |  |  |  |  |  |  |
Reverse stock split |  |  | 0.10 |  |  |  |  |
Class A Common Stock | Maximum |  |  |  |  |  |  |  |
BASIS OF PRESENTATION |  |  |  |  |  |  |  |
Reverse stock split |  |  | 0.0125 |  |  |  |  |

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