Intangible Assets (Details) $ in Thousands, £ in Millions, $ in Millions	1 Months Ended		3 Months Ended		6 Months Ended
	Aug. 31, 2022 USD ($)	Jul. 31, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Mar. 31, 2023 USD ($)	May 31, 2022 USD ($)	May 31, 2022 GBP (£)	May 31, 2022 CAD ($)
Recognized Intangible Assets [Abstract]
Remaining weighted average estimated useful lives			15 years		15 years
Gross amount			$ 153,052		$ 153,052
Less: accumulated amortization			(12,431)		(12,431)
Net book value			140,621		140,621		$ 144,881
Future amortization expense, remainder of 2024			4,700		4,700
Future amortization expense, 2025			9,300		9,300
Future amortization expense, 2026			9,300		9,300
Future amortization expense, 2027			9,300		9,300
Future amortization expense, 2028			9,300		9,300
Future amortization expense, thereafter			98,700		98,700
Cost of Revenues [Member]
Recognized Intangible Assets [Abstract]
Amortization of intangible assets			$ 2,400	$ 2,200	$ 4,800	$ 2,900
GSK [Member]
Intangible Assets [Abstract]
Milestone payable								$ 126,000	£ 100.0
Milestone amount paid		$ 126,000
Welichem Biotech Inc [Member]
Intangible Assets [Abstract]
Milestone payable								$ 20,000		$ 25.0
Milestone amount paid	$ 20,000