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LIQUIDITY AND CAPITAL RESOURCES (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Oct. 18, 2022 USD ($) ft²	Dec. 31, 2021 USD ($)
Liquidity and Capital Resources [Abstract]
Cash	$ 13,254		$ 13,254			$ 16,985
Accumulated deficit	(160,799)		(160,799)			$ (140,701)
Net loss	$ (7,316)	$ (85,986)	(20,090)	$ (114,593)
Net cash used in operating activities			$ (15,541)	$ (16,656)
Subsequent Event [Member]
New Facility Lease [Abstract]
Area of premises | ft²					45,500
Restricted cash					$ 4,100
Subsequent Event [Member] | Letter of Credit [Member]
New Facility Lease [Abstract]
Letter of credit					$ 4,100

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