CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating expenses:
Research and development	$ 42,972	$ 40,437
Selling, general and administrative	14,395	15,211
Total operating expenses	57,367	55,648
Loss from operations	(57,367)	(55,648)
Other income (expense):
Research and development incentives	438	393
Investment income	4,711	6,186
Interest expense on finance lease liability	(534)	(544)
Interest expense on debt obligations	(1,426)	(1,115)
Other income	406	1,374
Total other income (expense), net	3,595	6,294
Loss before income taxes	(53,772)	(49,354)
Income tax provision	0	201
Net loss	$ (53,772)	$ (49,555)
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (0.78)	$ (0.75)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (0.78)	$ (0.75)
Weighted average common shares outstanding, basic (in shares)	69,185,885	66,367,702
Weighted average common shares outstanding, diluted (in shares)	69,185,885	66,367,702