Grant Revenue and Receivables - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended
	Jul. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
University of Massachusetts Medical School Phase1
Disaggregation Of Revenue [Line Items]
Revenue awarded and granted	$ 400,000
RAD Initiative Phase 2
Disaggregation Of Revenue [Line Items]
Revenue awarded and granted	25,400,000
Terms and milestone conditions of first two stages amount	$ 10,100,000
Terms and milestone conditions of final three stages amount				$ 15,300,000
Repayment of previously received liquidating damages in case of termination of contract		15.00%
Revenue recognized and received		$ 7,000,000
Revenue received in completion of second stage		1,200,000
Revenue received in completion of third stage		5,800,000
Remaining available under the RADx contract		9,500,000
Unbilled receivables		$ 0		$ 0
NIH
Disaggregation Of Revenue [Line Items]
Grant revenue recognized			$ 200,000
CARB-X
Disaggregation Of Revenue [Line Items]
Grant revenue recognized			$ 200,000