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Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2019
Jun. 30, 2018
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, issued shares 33,183,730 33,080,543
Common stock, outstanding shares 33,183,730 33,080,543