| In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Net income | -47.5 | -41.7 | -37.4 | -37.2 | -31.2 | -19.7 | -25.6 | -15.4 |
| Depreciation and amortization | 0.6 | 0.4 | 0.5 | 0.4 | 0.4 | 0.4 | 0.3 | 0.2 |
| Stock-based compensation | | | | -8.8 | | | | -4.7 |
| Deferred taxes | | | | -0.2 | | | | 0.0 |
| Change in working capital [+] | 5.6 | -0.6 | 36.8 | 1.4 | 5.8 | -5.8 | 25.1 | -0.3 |
| Accounts receivable | | | | -0.2 | | | | 0.6 |
| Other current assets | | | | -0.4 | | | | 0.3 |
| Other | 5.6 | -0.6 | 36.8 | 2.1 | 5.8 | -5.8 | 25.1 | -1.3 |
| Other operating activities | 8.1 | 7.6 | -32.6 | 14.0 | 8.1 | 6.7 | -20.5 | 5.2 |
| Cash from operations | -33.2 | -34.4 | -32.7 | -30.4 | -16.9 | -18.4 | -20.7 | -15.0 |
| |
| Capital expenditures | 2.1 | 2.2 | 1.8 | 1.9 | 0.5 | 0.2 | 0.5 | 2.8 |
| Purchases of property and equipment | 2.1 | 2.2 | 1.8 | 1.9 | 0.5 | 0.2 | 0.5 | 2.8 |
| Purchases of short-term investments, net | 162.3 | 108.3 | 114.7 | 483.2 | 72.7 | 69.0 | 257.2 | 177.9 |
| Purchases of short-term investments | 162.3 | 108.3 | 114.7 | 578.0 | 72.7 | 69.0 | 257.2 | 254.6 |
| Sales of short-term investments | | | | -94.8 | | | | -76.7 |
| Other cash from investing | -136.5 | -63.9 | -130.8 | -719.2 | -71.9 | -118.1 | -473.1 | -165.2 |
| Cash from investing | 27.9 | 46.6 | -14.3 | -234.1 | 1.3 | -48.9 | -215.4 | 15.6 |
| |
| Repurchase of common stock, net | | | | | -7.9 | 7.9 | | |
| Option exercises | | | 0.0 | 0.7 | | | 0.0 | 0.0 |
| Other cash from financing | | | 0.0 | 1.4 | 277.8 | | 324.0 | 4.8 |
| Cash from financing | 0.0 | 0.0 | 0.0 | 0.7 | 269.9 | 7.9 | 324.0 | 4.8 |
| |
| Free cash flow | -31.1 | -32.2 | -31.0 | -28.5 | -16.3 | -18.2 | -20.2 | -12.2 |
| Per share (diluted) | ($0.47) | ($0.49) | ($0.51) | ($0.44) | ($0.29) | ($0.33) | ($0.46) | ($0.29) |
| |