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Interest Expense Associated with Notes Payable (Detail) - USD ($)
 3 Months Ended 12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Mar. 31, 2017
Mar. 31, 2016
Associated of Interest Expense [Line Items]        
Interest expense $ 192,989 $ 2,659 $ 82,905 $ 542,296
Interest expense, debt     82,905 182,642
Notes Payable        
Associated of Interest Expense [Line Items]        
Interest expense     82,905 323,708
Amortization of loan fees and discount, net of out of period adjustment (Note 12)     $ 0 $ (141,066)