In millions, except per share items | Dec-31-22 | Dec-05-22 | Dec-31-21 | Dec-05-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 |
| 10-K | 8-K | 10-K | 8-K | 10-K | 10-K | S-1/A | S-1/A |
Net income | -64.0 | -64.0 | -125.0 | -125.0 | -129.8 | -86.5 | -44.4 | 0.0 |
Depreciation and amortization | 5.2 | | 4.6 | | 2.6 | 1.2 | 0.7 | 0.7 |
Stock-based compensation | | | | | 7.2 | 3.1 | 1.0 | 0.4 |
Deferred taxes | | | | | | | -0.2 | -0.5 |
Change in working capital [+] | 47.5 | | 64.4 | | 45.9 | 37.0 | 1.7 | -0.8 |
Accounts receivable | | | | | | | | 0.9 |
Other current assets | | | | | -3.3 | 0.7 | | |
Accounts payable | | | | | -4.2 | 1.5 | 1.0 | 0.0 |
Accrued expenses | | | | | 10.3 | 7.1 | | |
Deferred revenues | 27.3 | | 13.8 | | | | | |
Other | 20.3 | | 50.7 | | 43.1 | 27.7 | 0.7 | -1.7 |
Other operating activities | -15.5 | | -46.6 | | -39.2 | -19.3 | 3.3 | -22.4 |
Cash from operations | -26.8 | | -102.5 | | -113.3 | -64.5 | -38.0 | -22.7 |
|
Capital expenditures [+] | 3.9 | | 2.6 | | -16.9 | -5.2 | -1.3 | -0.2 |
Purchases of property and equipment | 3.9 | | 2.6 | | -16.9 | -5.2 | -1.3 | -0.2 |
Sales of property and equipment | 0.0 | | 0.0 | | | | | |
Purchases of short-term investments, net | 294.4 | | | | -187.5 | -37.3 | | |
Purchases of short-term investments | 294.4 | | | | -295.0 | -71.3 | | |
Sales of short-term investments | | | | | 107.5 | 34.0 | | |
Other cash from investing | -501.7 | | 219.7 | | | | | |
Cash from investing | -203.3 | | 222.4 | | -204.4 | -42.5 | -1.3 | -0.2 |
|
Issuance of common stock, net | 75.3 | | | | 205.7 | | | |
Option exercises | 1.5 | | 4.5 | | 0.2 | 0.1 | | |
Financing costs | 1.5 | | | | -0.3 | -0.1 | | |
Other cash from financing | 32.8 | | 7.0 | | 108.1 | 164.4 | 54.1 | 20.6 |
Cash from financing | 105.2 | | 2.5 | | 313.9 | 164.4 | 54.1 | 20.6 |
|
Free cash flow | -22.8 | | -99.9 | | -130.2 | -69.7 | -39.3 | -22.9 |
Per share (diluted) | ($0.32) | | ($1.61) | | ($3.62) | ($5.52) | ($3.23) | |
|
Cash paid for interest | 5.1 | | 2.7 | | 3.0 | 2.6 | | |