Annual report pursuant to Section 13 and 15(d)

Summary of significant accounting policies (Details 1)

v3.10.0.1
Summary of significant accounting policies (Details 1) - USD ($)
 12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Net loss $ (21,738,627) $ (9,833,244)
Net loss per common share:    
Basic (in dollars per share)   $ (0.58)
Revisions [Member]    
Net loss   $ (725,004)
Net loss per common share:    
Basic (in dollars per share)   $ (0.04)
Previously Reported [Member]    
Net loss   $ (9,108,240)
Net loss per common share:    
Basic (in dollars per share)   $ (0.54)