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Marketable Securities - Schedule of Amortized Cost, Unrealized Loss and Fair Value of Available-for-Sale Marketable Securities (Detail) - Corporate Bonds [Member] - USD ($)
$ in Thousands
Sep. 30, 2015
Jun. 30, 2015
Schedule of Available-for-sale Securities [Line Items]    
Marketable securities, Amortized Cost $ 9,920 $ 9,419
Marketable securities, Unrealized Loss (3) (5)
Marketable securities, Fair Value $ 9,917 $ 9,414