Income Taxes - Differences Between Income Taxes on Continuing Operations at Federal Statutory Rate and Effective Tax Rate (Detail) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Income tax benefit at Federal statutory rate	$ (407)	$ (840)
Changes in valuation allowance-continuing operations	(2,889)	468
U.S. state income taxes, net of federal benefit	1	(154)
Deferred tax rate changes	2,971	0
Other	(21)	16
Total income tax expense (benefit)	$ (345)	$ (512)

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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