PROPERTY AND EQUIPMENT - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,618	$ 2,549
Less – Accumulated depreciation	(1,932)	(1,800)
Property and equipment, net	686	749
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,865	1,796
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	$ 614	$ 614