Commitments and Contingencies - Additional Information (Detail) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2021
USD ($)
|
Sep. 30, 2020
USD ($)
|
Sep. 30, 2021
USD ($)
Spaces
|
Sep. 30, 2020
USD ($)
|
|
| Number of spaces leased | Spaces | 2 | |||
| Operating lease, rent expense | $ 0.6 | $ 0.5 | $ 1.9 | $ 1.6 |
| Purchase commitment, minimum amount commited | 0.0 | 0.0 | ||
| Loss contingency | $ 0.0 | $ 0.0 | ||
| Watertown, Massachusetts [Member] | ||||
| Operating lease, expiration date | Dec. 31, 2023 | |||
| Operating lease, expiration date, second location | Apr. 30, 2027 | |||
| Billerica, Massachusetts [Member] | ||||
| Operating lease, expiration date | Jul. 31, 2028 | |||
| X | ||||||||||
- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. No definition available.
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- Definition Number of spaces leased. No definition available.
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| X | ||||||||||
- 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. No definition available.
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- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. No definition available.
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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- Details
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