Subsequent Events (Details) - Subsequent Events ft² in Thousands, $ in Millions	Oct. 31, 2021 USD ($) ft² dose
Subsequent events
Operating lease, number of square feet \| ft²	63
Operating lease term	8 years
Annual base rent \| $	$ 1.9
National Agency of Drug and Food Control of the Republic of Indonesia EUA Agreement \| Indonesia
Subsequent events
Number of doses to be distributed \| dose	50,000,000

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant