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LIQUIDITY AND CAPITAL RESOURCES (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) shares	Sep. 30, 2022 USD ($)	Jul. 14, 2023 USD ($) shares	Apr. 05, 2023 USD ($)	Dec. 31, 2022 USD ($)	Oct. 31, 2022 USD ($) ft²
Liquidity and Capital Resources [Abstract]
Cash	$ 4,551		$ 4,551				$ 11,446
Accumulated deficit	(180,820)		(180,820)				(165,297)
Net loss	(5,591)	$ (7,316)	(15,515)	$ (20,090)
Net cash used in operating activities			(15,747)	$ (15,541)
New Facility Lease [Abstract]
Area of premises | ft²								45,500
Letter of credit								$ 4,100
Restricted cash								$ 4,100
Private Placement Offerings [Abstract]
Aggregate principal convertible promissory notes	$ 3,452		$ 3,452		$ 8,700		$ 0
Warrants to purchase common shares (in shares) | shares					6,100,000
Convertible Notes [Member]
Private Placement Offerings [Abstract]
Annual interest rate on convertible notes payable					6.00%
Lincoln Park [Member]
New Facility Lease [Abstract]
Common stock shares issued and sold (in shares) | shares	0		214,000
Gross proceeds from sale of equity			$ 300
Lincoln Park [Member] | Maximum [Member]
New Facility Lease [Abstract]
Aggregate gross purchase price						$ 10,000

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