Property and Equipment, Net (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Property, Plant and Equipment [Line Items]
Depreciation, including accelerated depreciation related to restructuring reserve	$ 2.6	$ 2.4	$ 2.2
Purchased for Internal-Use Software [Member]
Property, Plant and Equipment [Line Items]
Amortization of capitalized software	$ 1.8	$ 1.4	$ 1.2