Property and Equipment (Tables)

9 Months Ended

Jun. 30, 2023

Property, Plant and Equipment [Abstract]

Summary of Property and Equipment

The following table summarizes the Company’s major classes of property and equipment:

	June 30, 2023		September 30, 2022
	(in thousands)
Computers, software, office equipment and furniture	$	2,198	$	2,182
Land	2,996		2,996
Research equipment	50,472		38,283
Leasehold improvements	96,344		42,017
Construction in progress	118,279		56,373
	270,289		141,851
Less: Accumulated depreciation and amortization	(38,920)		(31,554)
Property and equipment, net	$	231,369	$	110,297