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Fair Value Measurements (Details) (Recurring [member], USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Jun. 30, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash $ 12,173 $ 15,957
Derivative instrument   28
Total assets at fair value 12,173 15,985
Quoted Prices in Active Markets for Identical Assets (Level 1)
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash 12,173 15,957
Derivative instrument 0 0
Total assets at fair value 12,173 15,957
Significant Other Observable Inputs (Level 2)
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash 0 0
Derivative instrument 0 28
Total assets at fair value 0 28
Significant Unobservable Inputs (Level 3)
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash 0 0
Derivative instrument 0 0
Total assets at fair value $ 0 $ 0