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LIQUIDITY AND GOING CONCERN (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 20, 2021
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Cash balances   $ 3,164   $ 3,164   $ 10,852
Net proceeds from common stock       814 $ 2,980  
Aggregate offering price   194 $ 1,499 $ 814 $ 2,980  
Substantial Doubt about Going Concern, within One Year [true false]       true    
ATM Offering Agreement            
Number of common stock issued       1,800,000    
Net proceeds from common stock $ 50,000     $ 800    
Amount available for future sales   $ 7,000   7,000    
ATM Offering Agreement | Maximum            
Aggregate offering price       $ 7,000    
2020 Lincoln Park PA            
Number of common stock issued   0 900,000 0 900,000  
Net proceeds from common stock     $ 800   $ 800