Unaudited Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net loss	$ (4,737)	$ (15,252)
Other comprehensive gain (loss), net of tax:
Foreign currency translation gain (loss)	(216)	820
Total other comprehensive gain (loss), net of tax	(216)	820
Comprehensive loss	$ (4,953)	$ (14,432)