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Fixed Assets - Leases (Details) - USD ($) $ in Thousands	1 Months Ended			3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Leases
Increase (decrease) in operating lease right of use asset		$ 34
Restoration expense						$ 31		$ 87
Monthly rent expense						10
Operating lease cost				$ 35	$ 49	$ 117	$ 138
Seattle and Tulsa
Leases
Annual rent expense, increase (in percent)						2.00%
Monthly rent expense			$ 4
CHINA
Leases
Short term monthly rent expense		$ 3
Renewal option term		13 months
Minimum | Seattle and Tulsa
Leases
Remaining term (in years)			12 months
Maximum | Seattle and Tulsa
Leases
Remaining term (in years)			4 years
Subsequent Event | Seattle and Tulsa
Leases
Lease Term	12 months
Short term monthly rent expense	$ 2
Agreement expiration term (in years)	12 months

X

- Definition

Amount of increase (decrease) in operating lease, right of use assets.

+ References

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- Definition

Represents monthly rent expense. Excludes triple net operating costs.

+ References

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Represents short term of monthly rent expense.

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- Definition

Represents percentage of Annual rent expense increase. Excludes triple net operating costs.

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Amount of expense recognized during the period for restoration cost.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

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- Definition

Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Section 50
-Paragraph 3
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

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Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
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-Name Accounting Standards Codification
-Section 55
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-Publisher FASB
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