Summary of Activity of Level 3 Inputs Measured on Recurring Basis (Detail) - USD ($)	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value of warrant issued - NMM	$ 2,922,222
Liability incurred (Note 7)	0	$ 487,620
Fair Value, Inputs, Level 3
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	2,586,854	2,354,624
Warrant out of period correction (Note 12)	(999,724)
Conversion of warrants and convertible note to common stock - NNA	(2,106,933)
Fair value of warrant issued - NMM	2,922,222
Gain on change in fair value of warrant and conversion feature liability	408,692	(833,545)
Liability incurred (Note 7)		1,065,775
Balance, as adjusted, end of period	2,811,111	2,586,854
Fair Value, Inputs, Level 3 | Warrant Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	2,144,496	2,354,624
Warrant out of period correction (Note 12)	(999,724)
Conversion of warrants and convertible note to common stock - NNA	(1,624,029)
Fair value of warrant issued - NMM	2,922,222
Gain on change in fair value of warrant and conversion feature liability	368,146	(697,748)
Liability incurred (Note 7)		487,620
Balance, as adjusted, end of period	2,811,111	2,144,496
Fair Value, Inputs, Level 3 | Conversion Feature Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	442,358	0
Warrant out of period correction (Note 12)	0
Conversion of warrants and convertible note to common stock - NNA	(482,904)
Fair value of warrant issued - NMM	0
Gain on change in fair value of warrant and conversion feature liability	40,546	(135,797)
Liability incurred (Note 7)		578,155
Balance, as adjusted, end of period	$ 0	$ 442,358