Subsequent Events	12 Months Ended
Apr. 30, 2026
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On June 5, 2026, subsequent to the 2026 fiscal year-end balance sheet date, the Company executed an amendment to its existing operating lease for its office and lab space located in Rockville, MD , extending the lease term through March 31, 2037. The amendment will be accounted for as a lease modification in accordance with ASC 842 in the first quarter of fiscal 2027. Based on its preliminary assessment, the Company expects the lease modification to increase its operating lease right-of-use assets and its operating lease liabilities by approximately $6.3 million. The amendment is also expected to increases the Company's future contractual minimum lease payment obligations by approximately $16.9 million over the remaining lease term through March 31, 2037. These amounts are preliminary and may change upon completion of the Company's detailed lease accounting analysis.

Subsequent Events

12 Months Ended

Apr. 30, 2026

On June 5, 2026, subsequent to the 2026 fiscal year-end balance sheet date, the Company executed an amendment to its existing operating lease for its office and lab space located in Rockville, MD , extending the lease term through March 31, 2037. The amendment will be accounted for as a lease modification in accordance with ASC 842 in the first quarter of fiscal 2027.

Based on its preliminary assessment, the Company expects the lease modification to increase its operating lease right-of-use assets and its operating lease liabilities by approximately $6.3 million. The amendment is also expected to increases the Company's future contractual minimum lease payment obligations by approximately $16.9 million over the remaining lease term through March 31, 2037. These amounts are preliminary and may change upon completion of the Company's detailed lease accounting analysis.