Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Nature of the Business - Narrative (Details)

v3.21.2
Nature of the Business - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
PCR testing, amount recorded, COVID-19   $ 6,100   $ 6,061 $ 0  
PCR testing, write-offs, COVID-19   5,300        
PCR testing, general and administrative expenses, COVID-19 $ 0 $ 800        
COVID-19, grant income     $ 0   7,900  
COVID-19, deferred social security payroll tax 5,900     5,900   $ 5,900
COVID-19, Employee Retention Tax Credit $ 3,700   $ 1,100 $ 4,400 $ 1,100