Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 982	$ 5,867	$ 2,954	$ 5,350
Other comprehensive income (loss), net of tax:
Unrealized foreign currency translation adjustments	20	(124)	18	(149)
Total comprehensive income	$ 1,002	$ 5,743	$ 2,972	$ 5,201