SHARE-BASED COMPENSATION PLANS (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Share-Based Compensation Expense by Classification

Share-based compensation expense by classification for the three months ended March 31, 2022 and 2021 are as follows:

	Three Months Ended
(in thousands)	March 31, 2022		March 31, 2021
Research and development	$	294	$	263
General and administrative	305		640
Total	$	599	$	903