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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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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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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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services 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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Property and Equipment, net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Property and equipment
Gross property and equipment	$ 10,056		$ 10,056		$ 9,830
Accumulated Depreciation	(7,963)		(7,963)		(7,636)
Property and Equipment, net	2,093		2,093		2,194
Depreciation expense	200	$ 100	300	$ 300
Leasehold Improvements
Property and equipment
Gross property and equipment	1,398		1,398		1,256
Machinery and Equipment
Property and equipment
Gross property and equipment	6,006		6,006		5,922
Information Technology & Office Equipment
Property and equipment
Gross property and equipment	1,845		1,845		1,845
Laboratory Equipment
Property and equipment
Gross property and equipment	$ 807		$ 807		$ 807