Net Revenues and Long-Lived Assets of Company (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Segment Reporting Information [Line Items]
Net revenues	$ 76,323	$ 77,829
Long-lived assets	179	272
UNITED STATES
Segment Reporting Information [Line Items]
Net revenues	76,323	77,829
Long-lived assets	76	129
Foreign
Segment Reporting Information [Line Items]
Long-lived assets	$ 103	$ 143