Research Funding Agreement - Additional Information (Details) - National Institute of Health - USD ($) $ in Millions	1 Months Ended	6 Months Ended
	May 31, 2019	Jun. 30, 2020
Research And Development Arrangement Contract To Perform For Others [Line Items]
Grant term	5 years
Grants receivable	$ 1.5
Qualifying expenses		$ 0.3
Amounts received for qualifying expenses incurred recorded as other current assets		0.2
Funding Agreement
Research And Development Arrangement Contract To Perform For Others [Line Items]
Qualifying expenses		$ 0.5