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Summary of Significant Accounting Policies (Details 6) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Jun. 30, 2013
Accumulated Other Comprehensive Income    
Net unrealized gain (loss) on short-term investments $ 18 $ (457)
Cumulative foreign currency translation gain 2,364 2,339
Change in defined benefit pension obligation (567)  
Accumulated other comprehensive income $ 1,815 $ 1,882