FIXED ASSETS (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property and equipment
Property and equipment	$ 729	$ 703
Less accumulated depreciation and amortization	(589)	(576)
Property and equipment, net	140	127
Computer hardware
Property and equipment
Property and equipment	52	52
Computer software
Property and equipment
Property and equipment	5	5
Research and lab equipment
Property and equipment
Property and equipment	606	580
Leasehold improvements
Property and equipment
Property and equipment	$ 66	$ 66

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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