Nature of Operations and Liquidity (Liquidity) (Details) - USD ($) |
1 Months Ended | 3 Months Ended | |||
|---|---|---|---|---|---|
Jul. 25, 2017 |
Jul. 31, 2017 |
Jul. 31, 2016 |
Apr. 30, 2017 |
Apr. 30, 2016 |
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| Debt Instrument [Line Items] | |||||
| Approximate cash position | $ 6,213,569 | $ 480,317 | $ 2,756,217 | $ 783,796 | |
| Proceeds from term loan | $ 4,732,677 | ||||
| Secured Debt [Member] | Runway Growth Capital Fund [Member] | |||||
| Debt Instrument [Line Items] | |||||
| Debt instrument face amount | $ 10,000,000 | ||||
| Proceeds from term loan | 5,000,000 | ||||
| Remaining amount | $ 5,000,000 | ||||
| LIBOR interest rate | 10.00% | ||||
| Debt instrument term | 4 years | ||||
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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