Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Mar. 31, 2019	Jun. 30, 2018
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	436,951
Preferred stock, outstanding (in shares)	53,032	436,951
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)	37,237,519	29,559,139
Common stock, outstanding (in shares)	37,237,519	29,559,139

Face amount or stated value per share of common stock.

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