Quarterly report pursuant to Section 13 or 15(d)

Summary of significant accounting policies (Details 1)

v3.8.0.1
Summary of significant accounting policies (Details 1) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Jun. 30, 2017
Net loss $ (4,802,640) $ (2,064,172) $ (14,986,254) $ (7,532,838) $ (9,833,244)
Net loss per common share:          
Basic (in dollars per share)         $ (0.58)
Previously Reported [Member]          
Net loss         $ (9,108,240)
Net loss per common share:          
Basic (in dollars per share)         $ (0.54)
Revisions [Member]          
Net loss         $ (725,004)
Net loss per common share:          
Basic (in dollars per share)         $ (0.04)