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Fair Value - Financial Assets and Liabilities (Details) - USD ($)
Sep. 30, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Liabilities:        
Warrants $ 2,022,000 $ 1,729,000 $ 0 $ 107,000
SAFE liability 27,221,000 28,271,000 0  
Fair Value, Recurring        
Assets:        
Cash equivalents 519,000 516,000 516,000  
Liabilities:        
Warrants   1,145,000 582,000  
SAFE liability 27,221,000 28,271,000    
Total Liabilities 30,815,000 31,145,000    
Fair Value, Recurring | Warrants        
Liabilities:        
Warrants 1,572,000      
Fair Value, Recurring | SAFE warrant        
Liabilities:        
Warrants 2,022,000 1,729,000    
Fair Value, Recurring | Level 1        
Assets:        
Cash equivalents 519,000 516,000 516,000  
Liabilities:        
Warrants   0 0  
SAFE liability 0 0    
Total Liabilities 0 0    
Fair Value, Recurring | Level 1 | Warrants        
Liabilities:        
Warrants 0      
Fair Value, Recurring | Level 1 | SAFE warrant        
Liabilities:        
Warrants 0 0    
Fair Value, Recurring | Level 2        
Assets:        
Cash equivalents 0 0 0  
Liabilities:        
Warrants   0 0  
SAFE liability 0 0    
Total Liabilities 0 0    
Fair Value, Recurring | Level 2 | Warrants        
Liabilities:        
Warrants 0      
Fair Value, Recurring | Level 2 | SAFE warrant        
Liabilities:        
Warrants 0 0    
Fair Value, Recurring | Level 3        
Assets:        
Cash equivalents 0 0 0  
Liabilities:        
Warrants   1,145,000 $ 582,000  
SAFE liability 27,221,000 28,271,000    
Total Liabilities 30,815,000 31,145,000    
Fair Value, Recurring | Level 3 | Warrants        
Liabilities:        
Warrants 1,572,000      
Fair Value, Recurring | Level 3 | SAFE warrant        
Liabilities:        
Warrants $ 2,022,000 $ 1,729,000