Acquisitions - Schedule of Consideration Paid for IPR&D (Parenthetical) (Detail) - QrumPharma	1 Months Ended
Dec. 31, 2020 $ / shares shares
Business Acquisition [Line Items]
Number of common stock issued \| shares	3,067,179
Business acquisition, share price \| $ / shares	$ 3.01

Number of shares of equity interests issued or issuable to acquire entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479

Name:	us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration