CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) |
12 Months Ended |
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Apr. 30, 2020
USD ($)
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| Statement of Stockholders' Equity [Abstract] | Ìý |
| Underwriter costs | $ 1,222,371 |
| X | ||||||||||
- Definition Noncash Stock Issuance Costs No definition available.
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| X | ||||||||||
- References No definition available.
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