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v3.23.1

LIQUIDITY AND CAPITAL RESOURCES (Details) $ in Thousands | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) | Apr. 05, 2023 USD ($) | Dec. 31, 2022 USD ($) | Oct. 31, 2022 USD ($) ft²
Liquidity and Capital Resources [Abstract] |  |  |  |  |
Cash | $ 5,397 |  |  | $ 11,446 |
Accumulated deficit | (170,713) |  |  | $ (165,297) |
Net loss | (5,416) | $ (9,375) |  |  |
Net cash used in operating activities | $ (6,049) | $ (5,432) |  |  |
New Facility Lease [Abstract] |  |  |  |  |
Area of premises | ft² |  |  |  |  | 45,500
Restricted cash |  |  |  |  | $ 4,100
Period of purchase agreement | 2 years |  |  |  |
Subsequent Event [Member] | Lincoln Park [Member] | Maximum [Member] |  |  |  |  |
New Facility Lease [Abstract] |  |  |  |  |
Aggregate gross purchase price |  |  | $ 10,000 |  |
Letter of Credit [Member] |  |  |  |  |
New Facility Lease [Abstract] |  |  |  |  |
Letter of credit |  |  |  |  | $ 4,100

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