Stockholders' Equity (Stock Options Narrative) (Details) - USD ($)
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1 Months Ended |
9 Months Ended |
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Jan. 14, 2018 |
Jan. 04, 2018 |
Aug. 21, 2017 |
Jun. 11, 2017 |
May 13, 2017 |
May 31, 2017 |
Jan. 31, 2018 |
Jan. 31, 2017 |
Jun. 30, 2016 |
Nov. 30, 2015 |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Unrecognized compensation cost |
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$ 1,474,855
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| Weighted average recognition period |
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2 years
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| Share based compensation expense |
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$ 466,468
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$ 253,833
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| Common Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share issued |
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113,597
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| Proceeds from issuance of stock |
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$ 455,387
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| Chairman and Chief Executive Officer [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Options granted |
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200,000
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| Fair value of stock options granted |
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$ 282,000
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| Chief Operating Officer [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Options granted |
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200,000
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| Fair value of stock options granted |
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$ 282,000
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| Chief Academic Officer [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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