INCOME TAXES - Summary of Reconciliation of the Benefit (Provision) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Indicated benefit (provision) at federal statutory rate of 34%	$ 600	$ 2,523	$ 272
Effects of permanent differences, Warrants	(507)	(1,929)	(133)
Effects of permanent differences, Other	(137)	(111)	(82)
State income taxes, net of federal benefit	(59)	199	(410)
Income tax credits	60	70	40
Changes related to prior years	8		187
Change in valuation allowances	(52)	(137)	(163)
(Provision) benefit for income taxes	$ (87)	$ 615	$ (289)

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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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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from 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 revisions of previously reported income tax expense (benefit).

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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 tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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