XML 47 R58.htm IDEA: XBRL DOCUMENT v3.19.3
Net Loss per Share - Narrative (Details) - $ / shares
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Earnings Per Share [Abstract]    
Options to purchase (in shares) 324,153 361,128
Exercise price lower range (in dollars per share) $ 2.83 $ 1.60
Exercise price upper range (in dollars per share) $ 8.35 $ 16.00