Supplemental disclosure for statement of cash flows (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended | |
|---|---|---|---|
Apr. 30, 2018 |
Apr. 30, 2017 |
Jul. 31, 2017 |
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| Supplemental disclosure for statement of cash flows (Details) [Line Items] | |||
| Income Taxes Paid | $ 65 | $ 1,021 | |
| Interest Paid | 61 | 99 | |
| Installment Loans Financed Amount | $ 0 | 69 | |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares) | 615,624 | ||
| Stock Issued During Period, Value, Employee Benefit Plan | $ 782 | $ 724 | $ 724 |
| Officer [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) | 340,898 | ||
| Treasury Stock, Shares, Acquired (in Shares) | 106,911 | ||
| Treasury Stock, Value, Acquired, Cost Method | $ 1,014 | ||
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- Definition Installment loans financed amount. 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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- Definition Value of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan. No definition available.
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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