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Commitments and Contingencies - Summary of Future Minimum Annual Lease Payments under Operating Leases (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Operating Leases    
Remainder of 2022 $ 114  
2023 137  
2024 113  
2025 18  
Total minimum lease payments 382  
Less: amount representing interest (37)  
Present value of obligations under leases 345  
Less: current portion (110) $ (111)
Noncurrent operating lease liability $ 235 $ 269