Quarterly report pursuant to Section 13 or 15(d)

Summary of significant accounting policies (Details 1)

v3.19.3.a.u2
Summary of significant accounting policies (Details 1)
3 Months Ended
Nov. 30, 2019
$ / shares
March 2019 Warrant Liability [Member]  
Risk free rate 1.62%
Market price per share $ 10.20
Life of instrument in years 4 years 3 months 11 days
Volatility 102.00%
Dividend yield 0.00%
March 2019 Conversion Feature [Member]  
Risk free rate 1.60%
Life of instrument in years 9 months 14 days
Volatility 91.00%
Dividend yield 0.00%
Market price per share conversion feature $ 10.20