Note 5 - Prepaid Expenses and Other (Details Textual) - USD ($)	Mar. 31, 2020	Jun. 30, 2019
Prepaid Expense, Current, Total	$ 252,181	$ 161,195

Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
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-Name Accounting Standards Codification
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Name:	us-gaap_PrepaidExpenseCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant