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Provision for Income Taxes (Detail)
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Provision For Income Tax [Line Items]    
Tax provision at U.S. Federal statutory rates 34.00% 34.00%
State income taxes net of federal benefit (0.30%) (3.20%)
Nondeductible permanent items (0.70%) (5.90%)
Nontaxable entities 5.40% (4.30%)
Other 1.90% 0.50%
Change in valuation allowance (39.40%) (34.90%)
Effective income tax rate 0.90% (13.80%)