Subsequent Events	9 Months Ended
Sep. 30, 2021
Subsequent Events [Abstract]
Subsequent Events	13. Subsequent Events The Company has evaluated subsequent events through November 12, 2021, the date the financial statements were available to be issued. The Company has concluded no subsequent events have occurred that require disclosure, except for those referenced below. Leases In November 2021, the Company entered into an amended lease agreement for office space in Wellesley, Massachusetts on substantially the same terms as reflected in Note 8, but for an alternative office location within the same building. The term of the lease under this amendment shall commence on the later of the date the landlord delivers the leased premises to the Company with improvements completed or April 1, 2022. The term of the lease is 39 months from the commencement date. The future minimum rent payments for the lease noted above have been included in the disclosures in Note 8.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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