| In millions, except per share items | Apr-30-23 | Apr-30-22 | Apr-30-21 | Apr-30-20 |
| | 10-K | 10-K | 10-K | 10-K |
| ASSETS | | | | |
| CURRENT ASSETS | | | | |
| Cash | 5.1 | 14.1 | 1.9 | 0.1 |
| Prepaid expenses and other current assets | 0.4 | 0.3 | 1.0 | 1.6 |
| Prepaid expenses - related party | 0.2 | 0.3 | | |
| TOTAL CURRENT ASSETS | 5.8 | 14.4 | 2.9 | 1.8 |
| Property, plant and equipment, net | 0.1 | 0.1 | | |
| TOTAL ASSETS | 5.9 | 14.5 | 2.9 | 1.8 |
| |
| LIABILITIES AND STOCKHOLDERS’ EQUITY | | | | |
| CURRENT LIABILITIES | | | | |
| Accounts payable and accrued liabilities | 2.9 | 1.2 | 0.5 | 0.9 |
| |
| Related party payable | | | | |
| TOTAL CURRENT LIABILITIES | 2.9 | 1.2 | 0.9 | 1.0 |
| TOTAL LIABILITIES | 2.9 | 1.2 | 0.9 | |
| |
| COMMITMENTS AND CONTINGENCIES | | | | |
| STOCKHOLDERS’ EQUITY | | | | |
| Convertible Preferred stock, $0.0001 par value: 10,000,000 shares authorized; Series A Convertible Preferred Stock, $0.0001 stated value per share, 1,360,000 shares designated; nil 0 issued and outstanding as of April 30, 2023 and 2022 | | | | |
| Common stock | 0.0 | 0.0 | 0.0 | 0.0 |
| Additional paid-in capital | 62.0 | 57.4 | 33.7 | 27.6 |
| |
| Note receivable for common stock – related party | | | | |
| Accumulated deficit | 0.0 | 0.0 | -16.8 | -11.8 |
| TOTAL STOCKHOLDERS’ EQUITY | 3.0 | 13.4 | 2.0 | 0.8 |
| TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY | 5.9 | 14.5 | 2.9 | 1.8 |