Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Service Agreements Narrative (Details)

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Commitments and Contingencies - Service Agreements Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Dec. 31, 2011
Mar. 31, 2023
Mar. 31, 2022
CTS Agreement      
Service Agreements      
License fee amount   $ 729 $ 622
Master Services Agreement For Clinical Research and Related Services      
Service Agreements      
Service agreement amount paid upon execution of agreement $ 151    
Payments made under agreement   $ 112 $ 327