STOCKHOLDERS’ EQUITY - Schedule of Stock-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Compensation cost recognized	$ 323	$ 446	$ 1,005	$ 1,038
Selling, general & administrative
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Compensation cost recognized	229	282	824	709
Research & development
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Compensation cost recognized	$ 94	$ 164	$ 181	$ 329