STOCK-BASED COMPENSATION - Stock option activity (Details) - Employee Stock Option [Member] - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Number of Options
Outstanding, beginning of period (in shares)	395	450	358
Granted (in shares)		159	370
Exercised (in shares)		(73)	(237)
Forfeited (in shares)	(95)	(44)	(41)
Expired (in shares)	(39)	(97)
Outstanding, end of period (in shares)	261	395	450	358
Exercisable (in shares)	167
Weighted Average Grant Date Fair Value per Option
Outstanding, beginning of period	$ 106.80	$ 158.40	$ 26.85
Granted		$ 39.75	$ 220.80
Exercised		26.85	26.85
Forfeited	$ 109.81	$ 234.15	$ 338.85
Expired	190.92	247.05
Outstanding, end of period	$ 93.04	$ 106.80	$ 158.40	$ 26.85
Exercisable (in dollars per share)	$ 83.84
Weighted Average Remaining Contractual Life (in years)
Outstanding	5 years 7 months 13 days	7 years 5 months 8 days	5 years 2 months 4 days	9 years
Exercisable (in years)	4 years 9 months 21 days
Share Price	$ 1.20