| In millions, except per share items | Sep-30-21 | Mar-31-21 | Sep-30-20 |
| | 10-Q/A | 10-Q | 10-Q/A |
| General and administrative expenses | 1.0 | 1.4 | 0.1 |
| Administrative expenses - related party | 0.0 | 0.0 | 0.0 |
| Loss from operations | -1.0 | -1.4 | -0.1 |
| Interest earned on cash held in operating account | | | 0.0 |
| Interest income earned on investments held in Trust Account | 0.0 | 0.0 | 0.0 |
| Offering costs - derivative warrant liabilities | | | -0.7 |
| Change in fair value of derivative liabilities | 5.5 | 1.7 | -3.9 |
| Net income (loss) | 4.4 | 0.3 | -4.7 |
| |
| Basic and diluted weighted average shares outstanding | | | |
| Basic and diluted net income (loss) per share | | $0.04 | |