SHARE-BASED COMPENSATION - Schedule of Stock Option Activity (Details) - USD ($)	6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Number of Options
Outstanding at the beginning of the period (in shares)	5,780,134
Granted (in shares)	0
Exercised (in shares)	0	0
Forfeited (and expired) (in shares)	(1,256,648)
Outstanding at the end of the period (in shares)	4,523,486		5,780,134
Exercisable/vested (in shares)	3,442,986
Weighted- Average Exercise Price per Option
Outstanding at the beginning of the period (in usd per share)	$ 0.83		$ 0.75
Granted (in usd per share)	0	$ 0.38
Exercised (in usd per share)	0
Forfeited (and expired) (in usd per share)	0.50
Outstanding at the end of the period (in usd per share)	0.83		$ 0.75
Exercisable/vested (in usd per share)	$ 0.89
Weighted- Average Remaining Contract Term (in years)
Outstanding balance	7 years 11 months 8 days		8 years 6 months 21 days
Exercisable/vested	7 years 8 months 8 days
Aggregate Intrinsic Value
Outstanding balance	$ 0		$ 0
Exercisable/vested	$ 0