Summary of significant accounting policies (Details) - shares |
3 Months Ended | |
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Nov. 30, 2018 |
Nov. 30, 2017 |
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| Total potentially dilutive shares | 8,392,353 | 3,320,413 |
| Warrant [Member] | ||
| Total potentially dilutive shares | 3,511,296 | 2,570,413 |
| Stock Option [Member] | ||
| Total potentially dilutive shares | 1,490,829 | 750,000 |
| Senior Secured Convertible Notes [Member] | ||
| Total potentially dilutive shares | 3,390,228 | |
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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