STOCKHOLDERS’ EQUITY - Schedule of ESPP Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock-based compensation related to ESPP	$ 1,104	$ 1,639
2019 Employee Stock Purchase Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares issued pursuant to the Employee Stock Purchase Plan (in shares)	37,295
Weighted average per share price of shares purchased (in dollars per share)	$ 3.03
Weighted average per share discount from market value for shares purchased (in dollars per share)	$ 0.53
Stock-based compensation related to ESPP	$ 112,855