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Property, Plant and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	$ 12,608,000	$ 11,480,000
Less: accumulated depreciation and amortization	(7,660,000)	(7,244,000)
Property, plant and equipment, net	4,948,000	4,236,000
Production equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	5,114,000	4,488,000
Lab equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	2,452,000	2,304,000
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	4,080,000	3,525,000
Furniture, fixtures and other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	360,000	206,000
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, at cost	$ 602,000	$ 957,000

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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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