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Debt (Master Loan and Security Agreement) - Additional Information (Detail) - USD ($)
12 Months Ended
Mar. 31, 2017
Jun. 30, 2016
Security Agreement for Equipment Financing [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Intercompany loans outstanding   $ 4,500,000
Equipment Notes [Member]    
Debt Instrument [Line Items]    
Equipment notes $ 4,600,000  
Weighted average fixed interest rate 2.72%  
Aggregate loan amount $ 4,200,000  
Amortization period of the principal amount 5 years