Summary of Significant Accounting Policies, Intangible Assets and Goodwill (Details)	12 Months Ended
	Mar. 31, 2017 USD ($) ReportingUnit	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)
Goodwill and Intangible Assets [Abstract]
Intangible assets, net of amortization	$ 3,993,000	$ 4,573,000
Goodwill [Abstract]
Number of reporting units | ReportingUnit	1
Amount of goodwill	$ 2,551,000	$ 2,053,000	$ 0