Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Numerator:
Net (loss) income	$ (54)	$ 121
Denominator:
Denominator for basic and diluted earnings per share — weighted average shares	27,130	27,130
Basic and diluted (loss) earnings per share	$ 0.00	$ 0.00