Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Statement Of Income And Comprehensive Income [Abstract]
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	$ (34,067)	$ (13,164)	$ (8,350)
Other comprehensive income (loss), net of tax:
Unrealized foreign currency translation adjustments	460	(4)	(51)
Total comprehensive loss	$ (33,607)	$ (13,168)	$ (8,401)