Intangible Assets - Schedule of Future Amortization Expense (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Mar. 31, 2015
Goodwill And Intangible Assets Disclosure [Abstract]
2017	$ 89
2018	89
2019	89
2020	89
2021	89
Thereafter	457
Net Carrying Amount	$ 902	$ 950