Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parenthetical)

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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parenthetical) - $ / shares
Sep. 30, 2018
Jun. 30, 2018
Statement of Financial Position [Abstract]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 300,000,000 300,000,000
Common stock, shares issued 31,110,783 31,060,028
Common stock, shares outstanding 31,110,783 31,060,028