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LIQUIDITY AND GOING CONCERN (Details) - USD ($)
$ in Thousands, shares in Millions
3 Months Ended 6 Months Ended 75 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Dec. 31, 2022
Cash and cash equivalents $ 17,289   $ 17,289   $ 17,289 $ 75,196
Issuance of common stock, net     2,980 $ 24,541    
Aggregate offering price $ 1,499 $ 8,985 $ 2,980 $ 24,541    
ATM Offering Agreement and 2020 Lincoln Park PA            
Number of common stock issued     3.2      
Issuance of common stock, net     $ 3,000      
ATM Offering Agreement            
Issuance of common stock, net         $ 50,000  
ATM Offering Agreement | Maximum            
Aggregate offering price     $ 18,600