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Schedule of Stockholders' Equity Note, Warrants or Rights, Valuation Assumptions (Details)
6 Months Ended
Feb. 28, 2018
USD ($)
Dividend yield 0.00%
Minimum [Member]  
Expected volatility 100.00%
Risk-free interest rate 1.21%
Expected life 1 year 2 months 16 days
Estimated fair value per warrant $ 0.40
Maximum [Member]  
Expected volatility 136.00%
Risk-free interest rate 2.05%
Expected life 2 years
Estimated fair value per warrant $ 1.14