Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Net revenues	$ 63,676	$ 53,168	$ 186,900	$ 152,003
Net income (loss)	(1,325)	(1,680)	(1,826)	(4,044)
Americas
Net revenues	57,654	46,503	167,686	134,177
Net income (loss)	831	467	4,341	733
Europe
Net revenues	6,022	6,665	19,214	17,826
Net income (loss)	$ (2,156)	$ (2,147)	$ (6,167)	$ (4,777)