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NATURE OF OPERATIONS (Details)
$ in Millions
3 Months Ended
Jun. 26, 2023
USD ($)
employee
Jan. 26, 2023
shares
Jun. 30, 2023
USD ($)
Sep. 30, 2023
shares
Dec. 31, 2022
shares
NATURE OF OPERATIONS          
Reverse stock split   1-for-10      
Common stock authorized | shares   300,000,000   30,000,000 30,000,000
Severance and termination-related costs | $     $ 0.9    
Cell Ready Purchase Agreement          
NATURE OF OPERATIONS          
Consideration for purchased assets | $ $ 19.0        
Number of former employees offered employment | employee 50        
Cell Ready Purchase Agreement | Discontinued Operations, Disposed of by Sale          
NATURE OF OPERATIONS          
Consideration for purchased assets | $ $ 19.0        
Number of former employees offered employment | employee 50        
Maximum          
NATURE OF OPERATIONS          
Common stock authorized | shares   300,000,000      
Minimum          
NATURE OF OPERATIONS          
Common stock authorized | shares   30,000,000