CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Loss [Abstract]
Net loss	$ (3,976)	$ (4,209)
Net unrealized loss on available-for-sale investments	(27)	(15)
Total comprehensive loss	$ (4,003)	$ (4,224)