Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Detail)

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Income Taxes (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]        
Income tax provision $ 3 $ 115 $ 246 $ 469
Effective tax rate 0.00% (0.20%) (0.44%) (3.20%)