Supplemental disclosure for statement of cash flows (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Oct. 31, 2019 |
Oct. 31, 2018 |
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| Supplemental Cash Flow Elements [Abstract] | ||
| Interest Paid | $ 69 | $ 12 |
| Operating Lease, Payments | $ 1,520 | |
| X | ||||||||||
- Definition Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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