Annual report pursuant to Section 13 and 15(d)

Note 10 - Income Taxes - Provision for Income Taxes on Earnings Subject to Income Taxes Differs from Statutory Federal Rate (Details) (Parentheticals)

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Note 10 - Income Taxes - Provision for Income Taxes on Earnings Subject to Income Taxes Differs from Statutory Federal Rate (Details) (Parentheticals)
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Federal income taxes, rate 34.00% 34.00%