Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Subsequent Events (Details) - $ / shares		12 Months Ended
Subsequent Events (Details) - $ / shares	Jan. 19, 2022	Dec. 31, 2021
Stock Options [Member]
Subsequent Events [Abstract]
Options granted (in shares)		1,958,030
Exercise price (in dollars per share)		$ 4.35
Subsequent Event [Member] \| Management and Employees [Member]
Subsequent Events [Abstract]
Options granted (in shares)	765,605
Subsequent Event [Member] \| Chief Executive Officer [Member]
Subsequent Events [Abstract]
Options granted (in shares)	291,500
Subsequent Event [Member] \| Chief Scientific Officer [Member]
Subsequent Events [Abstract]
Options granted (in shares)	112,200
Subsequent Event [Member] \| Chief Medical Officer [Member]
Subsequent Events [Abstract]
Options granted (in shares)	88,600
Subsequent Event [Member] \| Stock Options [Member]
Subsequent Events [Abstract]
Exercise price (in dollars per share)	$ 6.28
Subsequent Event [Member] \| Stock Options [Member] \| First Anniversary of Options Granted [Member]
Subsequent Events [Abstract]
Percentage of options vesting	25.00%
Vesting period	1 year