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Convertible Notes Payable (Detail) - USD ($)
Mar. 31, 2016
Mar. 31, 2015
Debt Instrument [Line Items]    
Convertible Notes Payable $ 0 $ 2,494,921
Less: current 0 1,037,818
Noncurrent 0 1,457,103
9% Senior Subordinated Convertible Notes due February 15, 2016    
Debt Instrument [Line Items]    
Convertible Notes Payable 0 1,037,818
8% Convertible Note Payable to NNA due March 28, 2019    
Debt Instrument [Line Items]    
Convertible Notes Payable 0 1,014,745
Conversion Feature Liability [Member]    
Debt Instrument [Line Items]    
Convertible Notes Payable $ 0 $ 442,358