Leases - Narrative (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) facility	Jun. 30, 2022 USD ($)
Lessee, Lease, Description [Line Items]
Non-cash lease expense	$ 36	$ 76	$ 82	$ 215
Sublease income	11	44	27	110
Operating lease, payments	$ 73	$ 125	$ 173	$ 298
City of Industry, California
Lessee, Lease, Description [Line Items]
Number of facilities \| facility			1

Number Of Facilities

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- Definition

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.

+ References

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-Topic 842
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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
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-URI https://asc.fasb.org//1943274/2147479041/842-20-45-5

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- Definition

Amount of sublease income excluding finance and operating lease expense.

+ References

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-Topic 842
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