Quarterly report pursuant to Section 13 or 15(d)

Summary of significant accounting policies (Details )

v3.19.3.a.u2
Summary of significant accounting policies (Details )
 3 Months Ended
Nov. 30, 2019
USD ($)
Beginning balance $ 3,756,000
Change in fair value (942,000)
Ending balance 2,814,000
March 2019 Warrant Liability [Member]  
Beginning Balance of warrant liability 904,000
Change in fair value of warrant liabilty (602,000)
Ending balance of warrant liability 302,000
March 2019 Conversion Feature [Member]  
Beginning balance of Conversion features 2,852,000
Change in fair value of conversion features (340,000)
Ending balance of conversion features $ 2,512,000