Revenue - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 28, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Revenue		$ 0	$ 703,000	$ 320,000	$ 1,356,000
ImmunoForge
Disaggregation of Revenue [Line Items]
Revenue		0	500,000	0	500,000
SBIR Grants
Disaggregation of Revenue [Line Items]
Grants from the National Institutes of Health	$ 2,800,000			2,800,000
Revenue		$ 0	$ 200,000	$ 300,000	$ 900,000