Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Dec. 31, 2019	Jun. 30, 2019
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	900,000,000	900,000,000
Common stock, issued (in shares)	37,412,519	37,237,519
Common stock, outstanding (in shares)	37,412,519	37,237,519
Series B Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, authorized (in shares)	50,000,000	50,000,000
Preferred stock, issued (in shares)	53,032	53,032
Preferred stock, outstanding (in shares)	53,032	53,032

Face amount or stated value per share of common stock.

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