Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ (5,924)	$ (481)	$ (18,541)	$ (5,539)
Other comprehensive income (loss): foreign exchange translation	2	(9)	(13)	9
Comprehensive loss	(5,922)	(490)	(18,554)	(5,530)
Less: comprehensive loss attributable to noncontrolling interest	15	18	32	54
Comprehensive loss attributable to controlling interests	$ (5,907)	$ (472)	$ (18,522)	$ (5,476)