| In millions, except per share items | Apr-30-23 | Jan-31-23 | Oct-31-22 | Jul-31-22 | Apr-30-22 | Jan-31-22 | Oct-31-21 | Jul-31-21 |
| | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| ASSETS | | | | | | | | |
| CURRENT ASSETS | | | | | | | | |
| Cash | 5.1 | 7.4 | 9.2 | 11.5 | 14.1 | 11.8 | 13.6 | 15.6 |
| Prepaid expenses and other current assets | 0.4 | 0.5 | 0.4 | 0.6 | 0.3 | 0.6 | 0.9 | 1.2 |
| Prepaid expenses - related party | 0.2 | 0.5 | 0.7 | | 0.3 | | | |
| TOTAL CURRENT ASSETS | 5.8 | 8.4 | 10.3 | 12.1 | 14.4 | 12.4 | 14.5 | 16.8 |
| Property, plant and equipment, net | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | | | |
| TOTAL ASSETS | 5.9 | 8.5 | 10.4 | 12.2 | 14.5 | 12.4 | 14.5 | 16.8 |
| |
| LIABILITIES AND STOCKHOLDERS’ EQUITY | | | | | | | | |
| CURRENT LIABILITIES | | | | | | | | |
| Accounts payable and accrued liabilities | 2.9 | 2.6 | 0.6 | 1.0 | 1.2 | 0.5 | 1.1 | 1.1 |
| |
| Related party payable | | | | | | | | |
| TOTAL CURRENT LIABILITIES | 2.9 | 2.6 | 1.6 | 1.0 | 1.2 | 0.5 | 1.5 | 1.5 |
| TOTAL LIABILITIES | 2.9 | 2.6 | 1.6 | 1.0 | 1.2 | | | |
| |
| 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 | 0.0 | 0.0 | 0.0 | 0.0 |
| Additional paid-in capital | 62.0 | 61.5 | 59.0 | 58.3 | 57.4 | 52.2 | 50.7 | 49.4 |
| |
| Note receivable for common stock – related party | | | | | | | | |
| Accumulated deficit | 0.0 | 0.0 | -35.3 | -32.2 | 0.0 | -25.3 | -22.8 | -19.2 |
| TOTAL STOCKHOLDERS’ EQUITY | 3.0 | 5.9 | 8.8 | 11.2 | 13.4 | 12.0 | 13.0 | 15.3 |
| TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY | 5.9 | 8.5 | 10.4 | 12.2 | 14.5 | 12.4 | 14.5 | 16.8 |