Provision for Income Taxes (Detail)	2 Months Ended	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2015	Jan. 31, 2014
Provision For Income Tax [Line Items]
Tax provision at U.S. Federal statutory rates	34.00%	34.00%	34.00%
State income taxes net of federal benefit	(0.40%)	(3.20%)	(0.30%)
Non-deductible permanent items	(0.10%)	(5.90%)	(0.10%)
Non-taxable entities	0.30%	(4.30%)	0.00%
Other	(0.10%)	0.50%	3.20%
Change in valuation allowance	(34.80%)	(34.90%)	(37.20%)
Effective income tax rate	(1.10%)	(13.80%)	(0.40%)