Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (2,162)	$ (3,272)	$ (10,289)	$ (10,042)
Other comprehensive income: foreign exchange translation	(3)	25	25	41
Comprehensive loss	(2,165)	(3,247)	(10,264)	(10,001)
Less: comprehensive (income) loss attributable to noncontrolling interest	(7)	14	(8)	38
Comprehensive loss attributable to controlling interests	$ (2,172)	$ (3,233)	$ (10,272)	$ (9,963)