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Fixed Assets - Leases (Details) - USD ($) $ in Thousands	1 Months Ended			12 Months Ended
	Oct. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Leases
Increase (decrease) in operating lease right of use asset		$ 34
Change in operating lease ROU assets				$ 39
Change in operating lease liabilities				25	$ 25
Restoration expense				33	55
Operating lease cost				141	$ 186
CHINA
Leases
Renewal option term		13 months
Short term monthly rent expense		$ 3
Seattle and Tulsa
Leases
Monthly rent expense			$ 4	$ 10
Change in operating lease ROU assets			5
Change in operating lease liabilities			$ 9
Short term monthly rent expense	$ 2
Lease Term	12 months
Annual rent expense, increase (in percent)				2.00%
Agreement expiration term (in years)	12 months
Minimum | Seattle and Tulsa
Leases
Remaining term (in years)			12 months
Maximum | Seattle and Tulsa
Leases
Remaining term (in years)			4 years

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- Definition

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

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- Definition

Represents monthly rent expense. Excludes triple net operating costs.

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Amount of expense recognized during the period for restoration cost.

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- Definition

Amount of increase (decrease) in obligation for operating lease.

+ 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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- Definition

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

+ References

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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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- 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.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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