CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - USD ($) |
3 Months Ended | 9 Months Ended |
---|---|---|
Jan. 31, 2020 |
Jan. 31, 2020 |
|
Statement of Stockholders' Equity [Abstract] | ||
Underwriter costs | $ 1,222,371 | $ 1,222,371 |
X | ||||||||||
- Definition Noncash Stock Issuance Costs No definition available.
|
X | ||||||||||
- References No definition available.
|