CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Condensed Consolidated Statements Of Comprehensive Income (Loss)
Net income (loss)	$ (4,620)	$ 2,262	$ (6,513)	$ 265
Net unrealized gain (loss) on available-for-sale investments	(11)	18	54	34
Total comprehensive income (loss)	$ (4,631)	$ 2,280	$ (6,459)	$ 299