Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating expenses:
Research and development expenses	$ 5,194	$ 21,090
General and administrative expenses	4,640	6,468
Total operating expenses	9,834	27,558
Other (income) expenses:
Interest expense	796	1,558
Other income	(2,066)	(1,097)
Loss before income tax expense	(8,564)	(28,019)
Income tax expense	30	38
Net loss	$ (8,594)	$ (28,057)
Net loss per common share — basic and diluted (in dollars per share)	$ (0.20)	$ (1.23)
Weighted-average common shares outstanding - basic and diluted (in shares)	43,287,222	22,780,114