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Note 11 - Income Taxes - Income Tax Provision Reconciliation (Details) - USD ($)	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Income tax benefit at statutory tax rate	$ (1,736,580)	$ (992,759)
State tax benefit	(498,648)	(175,228)
Permanent differences	(81,455)	30,213
Stock based compensation	(251,074)	(41,218)
Impact of federal rate change	4,868,970
Valuation allowance for remeausurement and changes relating to the Tax Cuts and Jobs Act	(4,868,970)
Other valuation allowance	2,567,757	1,178,992
Income tax provision/(benefit)	$ 0	$ 0

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

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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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