Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Financial Instruments Measured at Fair Value (Details)

v3.23.1
Summary of Significant Accounting Policies - Financial Instruments Measured at Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jul. 15, 2020
Liabilities:        
Warrant liability $ 256 $ 3,605 $ 1,614 $ 2,486
Fair Value, Recurring        
Liabilities:        
Warrant liability 256 3,605    
Total 256 3,605    
Fair Value, Recurring | Level 1        
Liabilities:        
Warrant liability 0 0    
Total 0 0    
Fair Value, Recurring | Level 2        
Liabilities:        
Warrant liability 256 3,605    
Total 256 3,605    
Fair Value, Recurring | Level 3        
Liabilities:        
Warrant liability 0 0    
Total $ 0 $ 0