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Summary of Significant Accounting Policies - Schedule of Amortization Expense (Detail) - USD ($)
9 Months Ended 12 Months Ended
Mar. 31, 2015
Jun. 30, 2014
Jun. 30, 2013
Depreciation, Depletion and Amortization [Abstract]      
Amortization expense $ 54,000 $ 70,000 $ 53,000