STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Share-based Payment Arrangement, Expensed and Capitalized, Amount

The following table illustrates the effect of stock-based compensation on the unaudited condensed consolidated statements of operations:

	Three Months Ended June 30				Six Months Ended June 30
(in thousands)	2023		2022		2023		2022
Research and development expenses	$	138	$	393	$	182	$	622
Selling, general and administrative	738		770		1,550		1,786
Discontinued operations*	—		—		—		(352)
Total	$	876	$	1,163	$	1,732	$	2,056

*Income from stock-based compensation is related to forfeitures.