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Summary of Significant Accounting Policies (Schedule of Fair Value for Financial Assets and Liabilities Measure on Recurring Basis) (Details) - Recurring - USD ($) $ in Thousands | Jun. 30, 2016 | Jun. 30, 2015
--- | --- | ---
Assets |  |
Total | $ 4,275 | $ 4,770
Money market funds |  |
Assets |  |
Investments | 4,275 | 4,770
Level 1 |  |
Assets |  |
Total | 4,275 | 4,770
Level 1 | Money market funds |  |
Assets |  |
Investments | $ 4,275 | $ 4,770

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