STOCK-BASED COMPENSATION - Option activity (Details) - shares shares in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Options
Option Shares
Outstanding at the beginning of the period (in shares)	907	747
Granted (in shares)	3	36
Exercised (in shares)	(26)	(1)
Forfeited (in shares)	(24)	(37)
Expired (in shares)	0	0
Outstanding at the end of the period (in shares)	860	745
Inducement Grants
Option Shares
Outstanding at the beginning of the period (in shares)	241	241
Granted (in shares)	0	0
Exercised (in shares)	0	0
Forfeited (in shares)	0	0
Expired (in shares)	0	0
Outstanding at the end of the period (in shares)	241	241