CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating expenses:
Research and development	$ 14,050	$ 8,168	$ 26,207	$ 15,625
General and administrative	5,613	4,074	11,289	7,524
Total operating expenses	19,663	12,242	37,496	23,149
Loss from operations	(19,663)	(12,242)	(37,496)	(23,149)
Other income:
Research and development incentives	755	620	1,441	1,241
Investment income	178	567	705	1,254
Interest expense on finance lease liability	(562)	(195)	(1,123)	(195)
Interest expense on debt obligations	(286)		(570)
Other income	(517)	111	(545)	202
Total other income, net	(432)	1,103	(92)	2,502
Net loss attributable to common stockholders	$ (20,095)	$ (11,139)	$ (37,588)	$ (20,647)
Net loss per share attributable to common stockholders, basic and diluted (in dollars per share)	$ (0.46)	$ (0.35)	$ (0.90)	$ (0.65)
Weighted average common shares outstanding, basic and diluted (in shares)	44,015,786	31,675,323	41,950,401	31,668,414