PROPERTY AND EQUIPMENT - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,651	$ 2,643
Less – Accumulated depreciation	(2,023)	(1,977)
Property and equipment, net	628	666
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,894	1,886
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	139	139
Office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 618	$ 618