Revenues (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
May 31, 2019 |
May 31, 2018 |
May 31, 2019 |
May 31, 2018 |
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| Revenue [Line Items] | ||||
| Revenue | $ 59,931 | $ 140,340 | $ 97,489 | $ 336,933 |
| Product sales | ||||
| Revenue [Line Items] | ||||
| Revenue | 7,284 | 14,188 | ||
| Licensing revenue (Note 11) | ||||
| Revenue [Line Items] | ||||
| Revenue | 90,000 | 321,683 | ||
| Freight revenue | ||||
| Revenue [Line Items] | ||||
| Revenue | $ 205 | $ 1,062 | ||
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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