| In millions, except per share items | Jun-30-23 | Mar-31-23 | Jun-30-22 |
| | 10-Q | 10-Q | 10-Q |
| Operating expenses: | | | |
| General and administrative expenses | 0.8 | 1.0 | 0.3 |
| Research and development expenses | 0.2 | 3.2 | 0.2 |
| Depreciation expense | 0.0 | 0.0 | |
| Total operating expenses | 1.0 | 9.4 | 0.5 |
| Loss from operations | -1.0 | -4.2 | -0.5 |
| |
| Other expense: | | | |
| Interest and dividend income | 0.0 | | |
| Interest expense | | 0.0 | 0.0 |
| Interest expense, amortization of debt discount | | 0.0 | 0.0 |
| Change in fair value of derivative liabilities | | 0.2 | 0.0 |
| Loss on extinguishment of debt | | 0.7 | |
| Total other (income) expenses | 0.0 | | 0.0 |
| |
| Net loss and comprehensive loss | | | |
| Net loss per common share, basic and diluted (in Dollars per share) | ($0.09) | ($0.48) | ($0.07) |
| |
| Weighted average number of common shares used in computing net loss per common share, basic and diluted | 11.7 | 10.8 | 7.7 |