Leases - Additional Information (Detail)			3 Months Ended	9 Months Ended
	May 12, 2022 USD ($) ft²	Nov. 19, 2021 USD ($)	Jun. 30, 2022 USD ($) ft²	Jun. 30, 2022 USD ($) ft²
Lessee, Lease, Description [Line Items]
Lease periods commencing upon shipment	10 years
Increase in right of use asset and lease liability		$ 15,076,000	$ 7,425	$ 749
Prepaid lease deposit			560,000	560,000
Security deposit issued			3,360,000	3,360,000
Lease Payment	$ 76,470
Tenant improvement allowance	$ 15,194		$ 2,574	$ 2,574
500 Arsenal Street, Watertown, Massachusetts [Member]
Lessee, Lease, Description [Line Items]
Lease option to extend		extend the lease term of its existing office and laboratory space at 500 Arsenal Street for an additional 5 years
Area of Real Estate Property | ft²	73,000
500 Arsenal Street, Watertown, Massachusetts [Member] | Minimum [Member]
Lessee, Lease, Description [Line Items]
Lease Payment		$ 20,342,000
400 Talcott Avenue, Watertown, Massachusetts [Member]
Lessee, Lease, Description [Line Items]
Area of Real Estate Property | ft²			20,000	20,000