In millions, except per share items | Dec-31-21 | Sep-30-21 | Jun-30-21 | Mar-31-21 | Dec-31-20 | Sep-30-20 | Jun-30-20 | Mar-31-20 |
| 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
General and administrative expenses | 2.2 | 0.5 | 0.6 | 0.3 | 0.2 | 0.1 | 0.1 | 0.2 |
Loss from operations | -2.2 | -0.5 | -0.6 | -0.3 | -0.2 | -0.1 | -0.1 | -0.2 |
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Other income (expense): | | | | | | | | |
Change in fair value of warrant liability | 1.7 | 8.3 | -2.5 | 18.3 | -10.7 | -3.5 | -10.1 | -1.2 |
Interest earned on investments held in Trust Account | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.7 | 1.1 |
Total other income (expense), net | 1.7 | 8.3 | | | -10.6 | -3.4 | | |
Income (loss) before income taxes | -0.5 | 7.8 | -3.1 | 18.0 | -10.8 | -3.5 | -9.6 | -0.2 |
Provision for income taxes | | | | | 0.0 | 0.0 | -0.1 | -0.2 |
Net income (loss) | -0.5 | 7.8 | -3.1 | 18.0 | -10.8 | -3.5 | -9.7 | -0.4 |
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Weighted average shares outstanding, Basic (in shares) | | | | | | | | |
Weighted average shares outstanding, Diluted (in shares) | | | | | | | | |
Basic net income (loss) per share (in dollars per share) | | | | | | | | |
Diluted net income (loss) per share (in dollars per share) | | | | | | | | |