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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - shares
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Simdax License Agreement [Member]    
Anti-dilutive securities 1,330,366 451,186
Warrant to Purchase Common Stock    
Anti-dilutive securities 20,928,767 20,953,223
Pre-funded warrants to purchase common stock [Member]    
Anti-dilutive securities 10,033,274 5,260,005
Convertible preferred shares outstanding [Member]    
Anti-dilutive securities 210 210