Property and Equipment - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Continuing Operations
Property Plant And Equipment [Line Items]
Depreciation expense	$ 248	$ 52	$ 685	$ 153