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Asset Acquisition - Additional Information (Details) - USD ($) shares in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	May 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Business Acquisition [Line Items]
Stock issued during period value acquisitions					$ 4,000,000
Immulus, Inc [Member]
Business Acquisition [Line Items]
Percentage of outstanding equity acquired	100.00%
Payments to acquire businesses, gross	$ 3,500,000
Business acquisition, transaction costs	500,000
Stock issued during period value acquisitions	$ 4,000,000.0
Stock issued during period, shares, acquisitions	688,463
Total consideration	$ 8,000,000.0
Milestone payments expense incurred		$ 0	$ 0	$ 0	$ 0
Immulus, Inc [Member] | Maximum [Member]
Business Acquisition [Line Items]
Milestone payments payable	$ 37,000,000.0

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