Leases	6 Months Ended
Jun. 30, 2022
Leases [Abstract]
Leases	10. Leases In February 2021, the Company entered into an equipment lease with lease term of 24 months commencing in April 2021. The lease includes an option to purchase the equipment at fair market value at the end of the lease term. In July 2021, the Company entered into a lease for laboratory space in Cambridge, Massachusetts, with an initial term of one year commencing in April 2021, with a month-to-month option to renew at the end of the initial lease term (see Note 12). At inception, the Company determined that it was reasonably certain that it would elect options to renew the lease through September 2022 and have included these renewal options into the initial determination of the lease term. In March 2021, the Company revised its estimated lease term with an estimated termination date of December 31, 2022. In September 2021, the Company entered into a lease for laboratory and office space in Watertown, Massachusetts with an initial term of ten years, and a five-year renewal option at the end of the initial lease term. The monthly lease payment is approximately $0.2 million with annual escalation of approximately 3%. The lease includes a $3.7 million construction allowance. As of June 30, 2022, the Company recorded $0.6 million in Landlord assets, net of $0.2 million received pursuant to the construction allowance, within Prepaid expenses and other current assets. The lease is expected to commence in the first quarter of 2023 when the leased space is expected to be made available for the Company’s use. In October 2021, the Company entered into a lease for its corporate headquarters in Cambridge, Massachusetts with an initial term of 14 months. The monthly lease payment and security deposit are each approximately $49 thousand. At June 30, 2022, the weighted-average remaining lease terms related to the finance and operating leases are 1.0 year and 0.6 year, respectively. As the Company’s operating leases did not provide an implicit rate, the Company used its incremental borrowing rate based on the information available in determining the present value of lease payments. The Company’s incremental borrowing rate was based on the term of the lease, the economic environment of the lease and reflect the rate the Company would have had to pay to borrow on a secured basis. The weighted-average discount rates used at the time that the leases were evaluated were 5.20% for the finance leases and 6.32% for the operating leases.

Leases

6 Months Ended

Jun. 30, 2022

10. Leases

In February 2021, the Company entered into an equipment lease with lease term of 24 months commencing in April 2021. The lease includes an option to purchase the equipment at fair market value at the end of the lease term.

In July 2021, the Company entered into a lease for laboratory space in Cambridge, Massachusetts, with an initial term of one year commencing in April 2021, with a month-to-month option to renew at the end of the initial lease term (see Note 12). At inception, the Company determined that it was reasonably certain that it would elect options to renew the lease through September 2022 and have included these renewal options into the initial determination of the lease term. In March 2021, the Company revised its estimated lease term with an estimated termination date of December 31, 2022.

In September 2021, the Company entered into a lease for laboratory and office space in Watertown, Massachusetts with an initial term of ten years, and a five-year renewal option at the end of the initial lease term. The monthly lease payment is approximately $0.2 million with annual escalation of approximately 3%. The lease includes a $3.7 million construction allowance. As of June 30, 2022, the Company recorded $0.6 million in Landlord assets, net of $0.2 million received pursuant to the construction allowance, within Prepaid expenses and other current assets. The lease is expected to commence in the first quarter of 2023 when the leased space is expected to be made available for the Company’s use.

In October 2021, the Company entered into a lease for its corporate headquarters in Cambridge, Massachusetts with an initial term of 14 months. The monthly lease payment and security deposit are each approximately $49 thousand.

At June 30, 2022, the weighted-average remaining lease terms related to the finance and operating leases are 1.0 year and 0.6 year, respectively.

As the Company’s operating leases did not provide an implicit rate, the Company used its incremental borrowing rate based on the information available in determining the present value of lease payments. The Company’s incremental borrowing rate was based on the term of the lease, the economic environment of the lease and reflect the rate the Company would have had to pay to borrow on a secured basis. The weighted-average discount rates used at the time that the leases were evaluated were 5.20% for the finance leases and 6.32% for the operating leases.