Fair Value - Summary of Derivative liabilities (Detail) - USD ($)	Sep. 30, 2022	Apr. 04, 2022	Dec. 31, 2021
Derivative [Line Items]
Derivative liabilities	$ (789,000)	$ (692,000)	$ 0
Convertible note [Member]
Derivative [Line Items]
Derivative liabilities	(345,000)	(314,000)	0
Warrants [Member]
Derivative [Line Items]
Derivative liabilities	$ (444,000)	$ (378,000)	$ 0

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant