| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 |
| | 10-K | 10-K | 10-K | 10-K | S-1/A |
| Net income | -46.0 | -42.3 | 0.0 | -8.4 | -11.6 |
| Depreciation and amortization | 6.0 | 1.6 | 0.7 | 0.4 | 0.2 |
| Asset impairment charges | 2.8 | | | | |
| Stock-based compensation | 46.0 | 32.7 | 5.4 | 4.8 | 4.2 |
| Deferred taxes | -1.5 | -4.9 | | | |
| Change in working capital [+] | -3.7 | -4.5 | 0.9 | 3.0 | 0.9 |
| Accounts receivable | -5.6 | 3.7 | -31.5 | -7.2 | -4.4 |
| Other current assets | -5.2 | -2.8 | -0.2 | -0.3 | |
| Accounts payable | -0.1 | -6.8 | 2.7 | 3.4 | 2.4 |
| Accrued expenses | 7.3 | 1.6 | 29.3 | 5.6 | |
| Other | -0.1 | -0.2 | 0.6 | 1.5 | 3.0 |
| Other operating activities | -1.3 | 33.6 | 13.8 | 2.6 | 2.1 |
| Cash from operations | 2.3 | 16.3 | 20.8 | 2.4 | -4.2 |
| |
| Capital expenditures [+] | -9.0 | -1.8 | -1.3 | -1.4 | -0.2 |
| Purchases of property and equipment | -0.5 | -0.4 | -0.4 | -1.4 | -0.2 |
| Capitalized product costs | -8.5 | -1.5 | -0.9 | | |
| Acquisitions | -49.2 | -75.2 | | | |
| Purchases of short-term investments, net | -100.2 | | | | |
| Purchases of short-term investments | -151.7 | | | | |
| Sales of short-term investments | 51.5 | | | | |
| Cash from investing | -158.5 | -77.1 | -1.3 | -1.4 | -0.2 |
| |
| Issuance of common stock, net | -20.1 | 485.5 | | | |
| Option exercises | 12.2 | 17.8 | 2.6 | 0.3 | |
| Financing costs | | -0.1 | | | |
| Other cash from financing | 24.1 | 31.7 | 47.9 | 0.5 | 4.4 |
| Cash from financing | -8.2 | 499.5 | 45.3 | 0.2 | 4.4 |
| |
| Free cash flow | 1.8 | 15.9 | 20.4 | 1.1 | -4.4 |
| Per share (diluted) | ($0.04) | $0.12 | $0.97 | $0.06 | ($0.37) |
| |
| Cash paid for interest | | | 0.2 | 0.2 | |
| Cash paid for income taxes | 0.3 | 0.4 | 0.0 | 0.0 | |