PROPERTY AND EQUIPMENT (Schedule of Property and Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 39,661	$ 38,239
Less - accumulated depreciation and amortization	(34,688)	(33,686)
Property, plant and equipment, net, total	4,973	4,553
Laboratory equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	18,933	18,495
Furniture and computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,084	2,823
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 17,644	$ 16,921