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Lease - Additional Information (Detail) - USD ($)	1 Months Ended		3 Months Ended		9 Months Ended
	Aug. 31, 2022	Mar. 31, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Lessee Lease Description [Line Items]
Lease expiration date					Apr. 30, 2023
Lessee operating lease renewal term description					no stated renewal options
Right-of-use assets			$ 481,000		$ 481,000		$ 2,744,000
Operating lease, liability			381,000		381,000
Operating lease expense			400,000	$ 500,000	1,500,000	$ 1,100,000
Sublease Arrangement
Lessee Lease Description [Line Items]
Lease expiration date		Apr. 30, 2023
Lease Payments Receivable		$ 200,000
Sublease Income			38,000		$ 100,000
Sublease Arrangement | Lease Lab and Office Space
Lessee Lease Description [Line Items]
License agreement termination date	Aug. 14, 2022
Loss on lease termination	$ 100,000
Termination fees paid			$ 100,000
Right-of-use assets	900,000
Operating lease, liability	$ 700,000

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Lessee operating lease renewal term description.

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License agreement termination date.

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Payment of termination fees.

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- Definition

Amount of gain (loss) on termination of lease before expiration of lease term.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 40
-Paragraph 1
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Date which lease or group of leases is set to expire, in YYYY-MM-DD format.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of lease payments to be received by lessor for operating lease.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 50
-Paragraph 12
-URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919396-209981

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Amount of operating lease expense. Excludes sublease income.

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-Publisher FASB
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-SubTopic 20
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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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Amount of sublease income excluding finance and operating lease expense.

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