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Fair Value Measurements (Details) - Recurring [member] - USD ($)
$ in Thousands
Jun. 30, 2015
Jun. 30, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash $ 8,387 $ 12,173
Total assets at fair value 8,387 12,173
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash 8,387 12,173
Total assets at fair value 8,387 12,173
Significant Other Observable Inputs (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash 0 0
Total assets at fair value 0 0
Significant Unobservable Inputs (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash 0 0
Total assets at fair value $ 0 $ 0