Annual lease payments, description.

No definition available.

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Balance Type:	na
Period Type:	duration

- Definition

Lease expiration month and year.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Operating lease annual increase in rental percentage.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

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

- Definition

Date which lease or group of leases is set to expire, in YYYY-MM-DD format.

+ References

No definition available.

+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(4)
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971

+ Details

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Period Type:	instant

- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 55
-Paragraph 53
-URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(3)
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Net cash outflow or inflow from monetary allowance granted by the landlord to a tenant to entice tenant to move into landlords building which will enable the tenant to prepare the leased premises for tenants occupancy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585

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-Paragraph 12
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585

+ Details

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

- Definition

The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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- Details

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- Details

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Leases - Additional Information (Detail) - USD ($)						12 Months Ended
Leases - Additional Information (Detail) - USD ($)	Jan. 01, 2022	Jun. 09, 2020	Jun. 01, 2020	Aug. 31, 2018	Jan. 12, 2018	Dec. 31, 2022	Dec. 31, 2021
Lease agreement expiration month and year	2023-04	2022-04	2025-06	2020-10
Percentage of annual increase in rent	5.00%		6.67%		3.00%
Tenant incentive allowance					$ 842,000
Lease expiration date			Jun. 29, 2025
Annual lease payments, description						The annual lease payments are fixed for years 1 and 2, and then subject to a 6.67% increase for years 3 through 5
Operating leases and Rent expenses						$ 3,167	$ 2,648,000
Weighted average remaining lease						10 months 24 days
weighted average incremental borrowing rate						10.58%
Restricted Cash [Member]
Security deposit in connection with lease						$ 283,000	283,000
Other Long-term Assets [Member]
Security deposit in connection with lease						27,000	27,000
Cambridge, Massachusetts
Lease agreement expiration month and year					2023-01
Cambridge, Massachusetts \| Restricted Cash [Member]
Security deposit in connection with lease						$ 209,000	$ 209,000