Summary of Significant Accounting Policies (Tables)

3 Months Ended

Jul. 31, 2023

Accounting Policies [Abstract]

Schedule of revenues

	Three Months Ended July 31,
	2023		2022
Manufacturing revenues	$	33,420	$	31,481
Process development revenues		4,306		5,211
Total revenues	$	37,726	$	36,692

Schedule of cash

	July 31, 2023		April 30, 2023		July 31, 2022		April 30, 2022
Cash and cash equivalents	$	24,898	$	38,542	$	115,137	$	126,166
Restricted cash		350		350		350		350
Total cash, cash equivalents and restricted cash	$	25,248	$	38,892	$	115,487	$	126,516

Schedule of estimated useful lives of property

Description	Estimated Useful Life
Leasehold improvements	Shorter of estimated useful life or lease term
Laboratory and manufacturing equipment	5 – 15 years
Computer equipment and software	3 – 5 years
Furniture, fixtures and office equipment	5 – 10 years

Schedule of property and equipment

	July 31, 2023			April 30, 2023
		(as restated)			(as restated)
Leasehold improvements	$	101,572		$	97,514
Laboratory and manufacturing equipment		42,369			35,501
Computer equipment and software		5,045			5,028
Furniture, fixtures and office equipment		1,894			1,681
Construction-in-progress		64,847			68,414
Total property and equipment, gross		215,727			208,138
Less: accumulated depreciation and amortization		(32,892	)		(30,368	)
Total property and equipment, net	$	182,835		$	177,770