Supplemental disclosure for statement of cash flows (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
Jan. 31, 2019 |
Jan. 31, 2019 |
Jan. 31, 2018 |
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| Supplemental disclosure for statement of cash flows (Details) [Line Items] | |||
| Income Taxes Paid | $ 80 | $ 15 | |
| Interest Paid | 66 | 45 | |
| Installment Loans Financed Amount | 0 | 0 | |
| Capital Lease Obligation Cost Basis | $ 381 | $ 0 | |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares) | 238,230 | ||
| Directors And Officers [Member] | |||
| Supplemental disclosure for statement of cash flows (Details) [Line Items] | |||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares) | 203,511 | ||
| Stock Issued During Period Shares Stock Options Exercised1 (in Shares) | 23,376 | ||
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- Definition Capital lease obligation cost basis. No definition available.
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- Definition Installment loans financed amount. No definition available.
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- Definition Stock issued during period shares stock options exercised. No definition available.
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- References No definition available.
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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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- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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