BACKGROUND AND ORGANIZATION (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net loss	$ 26,107	$ 27,633	$ 25,774	$ 25,261	$ 30,976	$ 26,743	$ 79,514	$ 82,980
Net cash used in operating activities							68,710	$ 56,389
Cash and cash equivalents	$ 142,276						$ 142,276		$ 218,348