Product Revenue and Accounts Receivable - Summary of Sales for Each Customers as a Percentage of Total U.S. Gross Product Revenue (Details) - Revenue Benchmark [Member] - Customer Concentration Risk [Member]	8 Months Ended	12 Months Ended
	Dec. 31, 2025	Apr. 30, 2025	Apr. 30, 2024
Customer A [Member]
Product Information [Line Items]
Percentage of product revenue	39.00%	0.00%	0.00%
Customer B [Member]
Product Information [Line Items]
Percentage of product revenue	32.00%	0.00%	0.00%
Customer C [Member]
Product Information [Line Items]
Percentage of product revenue	20.00%	0.00%	0.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.