Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating expenses:
Research and development expenses	$ 5,542	$ 8,058
General and administrative expenses	2,992	3,859
Total operating expenses	8,534	11,917
Other (income) expenses:
Other income	(124)	(19)
Loss before income tax benefit	(8,410)	(11,898)
Income tax benefit	(4)	(28)
Net loss	$ (8,406)	$ (11,870)
Net loss per share of common stock — basic (in dollars per share)	$ (0.11)	$ (0.16)
Net loss per share of common stock — diluted (in dollars per share)	$ (0.11)	$ (0.16)
Weighted-average shares of common stock outstanding — basic (in shares)	73,765,292	72,861,870
Weighted-average shares of common stock outstanding — diluted (in shares)	73,765,292	72,861,870