v2.4.0.8
Fair Value Measurement (Details Textuals 1) (Details) (USD $)
Jun. 30, 2013
Jun. 30, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount $ 0 $ 0
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount $ 0 $ 0