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LIQUIDITY AND CAPITAL RESOURCES (Details) - USD ($)
 3 Months Ended 6 Months Ended
May 26, 2021
Apr. 26, 2021
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Liquidity and Capital Resources [Abstract]              
Cash     $ 50,164,673   $ 50,164,673   $ 1,630,455
Accumulated deficit     (65,176,198)   (65,176,198)   $ (37,380,741)
Change in fair value of contingent consideration     0 $ 0 (820,000) $ 0  
Loss on sales of assets     (50,000) 0 (9,648,173) 0  
Net loss     (10,085,317) $ (2,033,446) (27,787,651) (3,052,658)  
Net cash used in operating activities         (10,234,764) (4,056,622)  
Common stock to be purchased under common stock purchase agreement         $ 48,524,918 $ 0  
Lincoln Park [Member] | First Purchase Agreement [Member]              
Liquidity and Capital Resources [Abstract]              
Common stock to be purchased under common stock purchase agreement     $ 20,000,000        
Common stock purchase agreement commencement period         36 months    
Common stock issued and sold during period (in shares)         1,127,736    
Gross proceeds         $ 20,000,000    
Lincoln Park [Member] | First Purchase Agreement [Member] | Maximum [Member]              
Liquidity and Capital Resources [Abstract]              
Common stock to be purchased under common stock purchase agreement   $ 20,000,000          
Lincoln Park [Member] | Second Purchase Agreement [Member]              
Liquidity and Capital Resources [Abstract]              
Common stock purchase agreement commencement period         36 months    
Common stock issued and sold during period (in shares)         2,084,206    
Gross proceeds         $ 30,496,755    
Lincoln Park [Member] | Second Purchase Agreement [Member] | Maximum [Member]              
Liquidity and Capital Resources [Abstract]              
Common stock to be purchased under common stock purchase agreement $ 40,000,000