| In millions, except per share items | Dec-31-22 | Dec-05-22 | Dec-31-21 | Dec-05-21 | Dec-31-20 | Dec-31-19 |
| | 10-K | 8-K | 10-K | 8-K | 10-K | S-1 |
| Net income | -30.6 | -63.3 | -8.3 | -53.1 | 0.0 | 0.0 |
| Depreciation and amortization [+] | 0.5 | | 0.5 | | 0.6 | 0.6 |
| Depreciation | 0.5 | | 0.5 | | 0.6 | 0.6 |
| Stock-based compensation | 15.8 | | 22.6 | | | |
| Change in working capital [+] | 1.3 | | -3.4 | | 1.0 | -0.4 |
| Other current assets | 0.5 | | -2.0 | | 0.0 | |
| Accounts payable | 0.2 | | 0.5 | | 0.9 | -0.3 |
| Accrued expenses | 0.7 | | 0.7 | | -0.6 | |
| Deferred revenues | | | -2.7 | | 2.5 | |
| Other | -0.1 | | 0.0 | | -1.8 | -0.1 |
| Other operating activities | -33.5 | | -43.6 | | -16.6 | -26.5 |
| Cash from operations | -46.5 | | -32.2 | | -15.0 | -26.3 |
| |
| Capital expenditures | -1.6 | | -0.5 | | -1.2 | -1.6 |
| Purchases of property and equipment | -1.6 | | -0.5 | | -1.2 | -1.6 |
| Purchases of short-term investments, net | -70.8 | | | | | |
| Purchases of short-term investments | -73.8 | | | | | |
| Sales of short-term investments | 3.0 | | | | | |
| Other cash from investing | | | | | | 0.0 |
| Cash from investing | -72.4 | | -0.5 | | -1.2 | -1.5 |
| |
| Issuance of common stock, net | | | 73.6 | | | |
| Financing costs | -0.3 | | | | | |
| Other cash from financing | 28.7 | | 3.5 | | 72.7 | 0.9 |
| Cash from financing | 29.0 | | 77.1 | | 72.7 | 0.9 |
| |
| Free cash flow | -48.1 | | -32.8 | | -16.2 | -27.8 |
| Per share (diluted) | ($2.02) | | ($1.68) | | | |
| |
| Cash paid for interest | 0.0 | | 0.3 | | 0.1 | |
| Cash paid for income taxes | 0.7 | | 0.1 | | | |