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Note 3 - Summary of Significant Accounting Policies (Details Narrative) - shares
3 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Accounting Policies [Abstract]    
Weighted average number of shares outstanding, basic and diluted 5,103,342 3,106,841
Antidilutive securities excluded from computation of earnings per share 571,421 1,874,513