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Notes Payable - Schedule of Notes and Unamortized Debt Discount (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Jun. 30, 2014
Debt Disclosure [Abstract]    
Notes payable $ 1,050us-gaap_DebtInstrumentCarryingAmount   
Unamortized debt discount (12)us-gaap_DebtInstrumentUnamortizedDiscount  
Notes payable $ 1,038us-gaap_LongTermDebt