STOCKHOLDERS’ EQUITY - Schedule of Stock-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Compensation cost recognized	$ 342	$ 729	$ 1,347	$ 1,768
Selling, general & administrative
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Compensation cost recognized	301	561	1,125	1,270
Research & development
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Compensation cost recognized	$ 41	$ 168	$ 222	$ 498