Nature of Operations and Liquidity (Liquidity) (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Apr. 30, 2018 |
Jul. 31, 2018 |
Jul. 31, 2017 |
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| Debt Instrument [Line Items] | |||
| Approximate cash position | $ 14,612,559 | $ 10,423,660 | $ 6,213,569 |
| Restricted cash | 190,506 | $ 190,506 | |
| Secured Debt [Member] | |||
| Debt Instrument [Line Items] | |||
| Proceeds from shares issued | $ 23,023,000 | ||
| Share price | $ 7.15 | ||
| Sale of equity | 3,220,000 | ||
| Repaid of loan | $ 7,500,000 |
| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
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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 The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Per share or per unit amount of equity securities issued. No definition available.
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- Details
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