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Property, Plant, and Equipment - Components of Property, Plant, and Equipment (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Property Plant And Equipment [Line Items] |  |
Property, plant and equipment, gross | $ 6,402 | $ 6,353
Accumulated depreciation | (4,999) | (4,931)
Property, plant and equipment, net | 1,403 | 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 | $ 1,856 | 1,855
Estimated Useful Life | 3 years |
Leaseholds |  |
Property Plant And Equipment [Line Items] |  |
Property, plant and equipment, gross | $ 1,781 | 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 | $ 1,263 | 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 |

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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 + Details
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- Definition 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. + References No definition available. + Details
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