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Fixed Assets, Net - Leases (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended
	May 31, 2025	Oct. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Leases
Increase (decrease) in operating lease right of use asset					$ 68
Short term lease expense			$ 5	$ 5	11	$ 11
Monthly rent expense					10
Operating lease cost			$ 25	$ 24	$ 49	$ 48
CHINA
Leases
Renewal option term	24 months
Short term monthly rent expense	$ 3
Seattle [Member]
Leases
Short term monthly rent expense		$ 2
Agreement expiration term (in years)		12 months
Tulsa [Member]
Leases
Annual rent expense, increase (in percent)					2.00%
Minimum
Leases
Remaining term (in years)		2 years
Maximum
Leases
Remaining term (in years)		3 years

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- 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.

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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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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 7A
-Subparagraph (c)
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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

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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.

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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.

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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.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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