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Note 11 - Income Taxes (Details Textual) - USD ($)		12 Months Ended
	Dec. 22, 2017	Jun. 30, 2018	Jun. 30, 2017
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	28.06%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance Related to Tax Reform, Amount		$ (4,868,970)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount		2,567,757	$ 1,178,992
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		(2,300,000)
Operating Loss Carryforwards, Total		$ 11,700,000

X

- Definition

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 related to tax reform in connection the with "Tax Cuts and Jobs Act".

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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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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