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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

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