| In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| General and administrative expenses | 0.3 | 0.3 | 0.3 | 0.2 | 0.1 | 0.2 | 0.2 | 0.1 |
| Loss from operations | -0.3 | -0.3 | -0.3 | -0.2 | -0.1 | -0.2 | -0.2 | -0.1 |
| |
| Other income (expense) | | | | | | | | |
| Change in fair value of derivative warrant liabilities | -0.6 | -0.9 | -2.1 | 2.6 | 8.0 | 12.9 | 8.7 | 6.0 |
| Interest income on cash or investments held in Trust Account | | | 2.0 | 2.4 | 0.5 | 0.0 | 0.0 | 0.0 |
| Total other (expense) income | -0.6 | -0.5 | | | 8.5 | 13.0 | | |
| (Loss) Income before income tax expense | -0.9 | -0.8 | -0.4 | 4.7 | 8.4 | 12.7 | 8.6 | 5.9 |
| Income tax expense | | | 0.5 | 0.6 | 0.1 | 0.0 | 0.0 | 0.0 |
| Net (loss) income | -0.9 | -0.8 | -0.9 | 4.1 | 8.3 | 12.7 | 8.6 | 5.9 |
| |
| Weighted average common shares outstanding, basic and diluted | | | | | | | | |
| Weighted average common shares outstanding, basic | | | | | | | | |
| Weighted average common shares outstanding, diluted | | | | | | | | |
| Basic net (loss) income per common share | | | | | | | | |
| Diluted net (loss) income per common share | | | | | | | | |