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Convertible Notes Payable (Parenthetical) (Detail) - USD ($)
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Debt Instrument [Line Items]    
Debt discount $ 0 $ 1,060,401
9% Senior Subordinated Convertible Notes due February 15, 2016    
Debt Instrument [Line Items]    
Debt, interest rate 9.00%  
Debt discount $ 0 62,682
Debt instrument, maturity date Feb. 15, 2016  
8% Convertible Note Payable to NNA due March 28, 2019    
Debt Instrument [Line Items]    
Debt, interest rate 8.00%  
Debt discount $ 0 $ 985,255
Debt instrument, maturity date Mar. 28, 2019