Fair Value Measurements and Marketable Securities - Summary of Fair Value of Warrant Liability (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Schedule Of Fair Value Of Warrant Liability [Line Items]
Change in fair value	$ 0	$ (72)
Reclassification of warrant liability to permanent equity		(189)
Level 3 [Member]
Schedule Of Fair Value Of Warrant Liability [Line Items]
Fair value, beginning	$ 0	261
Change in fair value		(72)
Reclassification of warrant liability to permanent equity		189
Fair value, ending		$ 0

The difference between the carrying amount of a financial instrument subject to a registration payment arrangement recorded as temporary equity prior to adoption of FSP EITF 00-19-2 and the carrying amount reclassified to permanent equity upon the adoption of FSP EITF 00-19-2. Recorded as a cumulative effect adjustment to the beginning balance of retained earnings. Does not apply to registration payment arrangements that are no longer outstanding upon adoption of FSP EITF 00-19-2.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 40
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123477628&loc=d3e90193-114008

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-URI http://asc.fasb.org/extlink&oid=122040564&loc=SL6540498-122764

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration