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Fixed Assets - Additional information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Leases
Depreciation expense			$ 13	$ 20
Interest on future minimum payments	$ 49		49
Operating lease cost	$ 46	$ 61	88	$ 96
Seattle and Tulsa
Leases
Estimated restoration cost					$ 32
Monthly rent expense			22
CHINA
Leases
Short term monthly rent expense			23
Monthly rent expense			$ 5
Minimum [Member] | Seattle and Tulsa
Leases
Remaining term (in years)	1 year		1 year
Annual rent expense, increase (in percent)			2.00%
Agreement expiration term (in years)	12 months		12 months
Maximum [Member] | Seattle and Tulsa
Leases
Remaining term (in years)	6 years		6 years
Annual rent expense, increase (in percent)			3.00%
Agreement expiration term (in years)	6 years		6 years

X

- 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.

+ References

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- Definition

Amount of provision for restoration cost.

+ References

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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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

No definition available.

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- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

+ References

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-Publisher FASB
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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, 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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