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Property, Plant, and Equipment - Components of Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 6,391	$ 6,353
Accumulated depreciation	(5,017)	(4,931)
Property, plant and equipment, net	1,374	1,422
Buildings and land
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 1,301	1,301
Buildings
Property Plant And Equipment [Line Items]
Estimated Useful Life	30 years
Enterprise hardware and software
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 1,855	1,855
Estimated Useful Life	3 years
Leaseholds
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 1,772	1,774
Estimated Useful Life	Useful Life, Shorter of Lease Term or Asset Utility [Member]
Equipment
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 1,262	1,222
Estimated Useful Life	7 years
Furniture
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 201	$ 201
Estimated Useful Life	5 years

X

- Definition

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

+ References

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- Definition

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.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ References

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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