Effective Rate Reflected in Provision for Income Taxes and Amounts Determined by Applying Statutory Federal Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Tax Disclosure [Abstract]
Statutory provision	$ (40)	$ (432)
Foreign subsidiary	(71)	76
State taxes	(51)	48
Permanent differences	112	3
True up to prior year taxes	(63)	299
Valuation allowance	288
(Decrease)/increase in Uncertain Tax Positions		(249)
NOL Adjustments	(3)	(4)
Provision for income tax expense (benefit)	$ 172	$ (259)