Accrued Liabilities (Tables) |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||
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Jan. 31, 2020 | |||||||||||||||||||||||||||||||||||||||||||
| Payables and Accruals [Abstract] | |||||||||||||||||||||||||||||||||||||||||||
| Schedule of Accrued Liabilities [Table Text Block] | Accrued liabilities consist of the following:
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- References No definition available.
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- Definition Tabular disclosure of the components of accrued liabilities. No definition available.
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