CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Revenues:
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Sublicense And Other Revenue [Member]	Sublicense And Other Revenue [Member]	Sublicense And Other Revenue [Member]	Sublicense And Other Revenue [Member]
Total revenues	$ 303	$ 234	$ 804	$ 501
Operating expenses:
Research and development	14,223	11,305	41,914	29,168
General and administrative	5,626	4,049	14,299	12,811
Total operating expenses	19,849	15,354	56,213	41,979
Loss from operations	(19,546)	(15,120)	(55,409)	(41,478)
Other income, net:
Interest income, net	647	1,031	1,989	3,702
Other income	0	0	9	0
Loss before income taxes	(18,899)	(14,089)	(53,411)	(37,776)
Income taxes	0	0	0	(7)
Net loss	(18,899)	(14,089)	(53,411)	(37,783)
Unrealized gain (loss) on marketable securities	(1)	(11)	8	11
Comprehensive loss	$ (18,900)	$ (14,100)	$ (53,403)	$ (37,772)
Basic, net loss per common share (in dollars per share)	$ (0.45)	$ (0.46)	$ (1.46)	$ (1.23)
Diluted, net loss per common share (in dollars per share)	$ (0.45)	$ (0.46)	$ (1.46)	$ (1.23)
Weighted average common shares outstanding, basic (in shares)	42,234,405	30,711,872	36,655,195	30,649,384
Weighted average common shares outstanding, diluted (in shares)	42,234,405	30,711,872	36,655,195	30,649,384