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STOCK-BASED COMPENSATION - Schedule of stock option activity (Details) - $ / shares
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2024
Dec. 31, 2023
Number of Options        
Beginning Balance (in shares) 3,641 3,643 3,643  
Granted (in shares) 892   892  
Forfeited (in shares)     (2)  
Ending Balance (in shares) 4,533 3,641 4,533 3,643
Exercisable (in shares) 3,987   3,987  
Weighted Average Exercise Price Per Share        
Beginning Balance (in dollars per share) $ 1,194.9 $ 1,197 $ 1,197  
Granted (in dollars per share) 6.740   6.740  
Forfeited (in dollars per share)     1,965.36  
Ending Balance (in dollars per share) 899.48 $ 1,194.9 899.48 $ 1,197
Exercisable (in dollars per share) $ 1,009.4   $ 1,009.4  
Weighted Average Remaining Contractual Term (years)        
Outstanding 3 years 9 months 18 days 3 years 9 months 18 days 3 years 9 months 18 days 4 years
Granted 4 years 9 months 18 days   4 years 9 months 18 days  
Forfeited     $ 3.0  
Exercisable     3 years 9 months 18 days  
Stock Options, Inducement Awards        
Number of Options        
Ending Balance (in shares) 823   823