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, 2022
Mar. 31, 2021
CTS Agreement | Cost of Sales      
Service Agreements      
Payments made under agreement   $ 622 $ 643
Master Services Agreement For Clinical Research and Related Services      
Service Agreements      
Payments made under agreement   $ 327 $ 278
Service agreement amount paid upon execution of agreement $ 151