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Fixed Assets - Additional information (Details) - USD ($)
$ in Thousands
1 Months Ended 6 Months Ended 12 Months Ended 24 Months Ended
Jun. 30, 2022
Jun. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2022
Leases          
Depreciation expense     $ 24 $ 38  
Interest on future minimum payments     37   $ 37
Operating lease cost     186 257  
Seattle and Tulsa          
Leases          
Restoration expense     55 $ 32 $ 87
Monthly rent expense     $ 22    
CHINA          
Leases          
Lease Term 1 year 1 year      
Short term monthly rent expense   $ 23      
Monthly rent expense $ 2 $ 5      
Agreement expiration term (in years) 1 year 1 year      
Minimum | Seattle and Tulsa          
Leases          
Remaining term (in years)     5 months   5 months
Annual rent expense, increase (in percent)     2.00%    
Maximum | Seattle and Tulsa          
Leases          
Remaining term (in years)     6 years   6 years
Annual rent expense, increase (in percent)     3.00%