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Warrants (Detail) - $ / shares
 12 Months Ended
Mar. 31, 2016
Mar. 30, 2016
Oct. 15, 2015
Oct. 14, 2015
Class of Warrant or Right [Line Items]        
Exercise Price Per Share   $ 10.00 $ 9.00 $ 9.00
Warrant Exercise Price Range One 1.15        
Class of Warrant or Right [Line Items]        
Exercise Price Per Share $ 1.15      
Warrants outstanding 150,000      
Weighted average remaining contractual life 3 months 29 days      
Warrants exercisable 150,000      
Weighted average exercise price per share $ 0.08      
Warrant Exercise Price Range Two 4.00 - 5.00        
Class of Warrant or Right [Line Items]        
Warrants outstanding 164,500      
Weighted average remaining contractual life 1 year 4 months 10 days      
Warrants exercisable 164,500      
Weighted average exercise price per share $ 0.35      
Warrant Exercise Price Range Two 4.00 - 5.00 | Maximum [Member]        
Class of Warrant or Right [Line Items]        
Exercise Price Per Share 5.00      
Warrant Exercise Price Range Two 4.00 - 5.00 | Minimum [Member]        
Class of Warrant or Right [Line Items]        
Exercise Price Per Share $ 4.00      
Warrant Exercise Price Range Three 9.00 - 10.00        
Class of Warrant or Right [Line Items]        
Warrants outstanding 1,776,666      
Weighted average remaining contractual life 4 years 6 months 14 days      
Warrants exercisable 1,776,666      
Weighted average exercise price per share $ 7.96      
Warrant Exercise Price Range Three 9.00 - 10.00 | Maximum [Member]        
Class of Warrant or Right [Line Items]        
Exercise Price Per Share 10.00      
Warrant Exercise Price Range Three 9.00 - 10.00 | Minimum [Member]        
Class of Warrant or Right [Line Items]        
Exercise Price Per Share $ 9.00      
Warrant Exercise Price Range Four 1.15 - 10.00        
Class of Warrant or Right [Line Items]        
Warrants outstanding 2,091,166      
Weighted average remaining contractual life 3 years 11 months 26 days      
Warrants exercisable 2,091,166      
Weighted average exercise price per share $ 8.39      
Warrant Exercise Price Range Four 1.15 - 10.00 | Maximum [Member]        
Class of Warrant or Right [Line Items]        
Exercise Price Per Share 10.00      
Warrant Exercise Price Range Four 1.15 - 10.00 | Minimum [Member]        
Class of Warrant or Right [Line Items]        
Exercise Price Per Share $ 1.15