Fair Value - Marketable Securities by Major Security Type (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Jun. 30, 2019
Marketable Securities [Line Items]
Held to Maturity	$ 54	$ 62
Available for Sale	9,170	7,479
Total	9,224	7,541
Government and other debt securities
Marketable Securities [Line Items]
Held to Maturity	54	62
Available for Sale	9,170	7,479
Total	$ 9,224	$ 7,541

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

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Amount of investment in marketable security, classified as current.

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