| In millions, except per share items | Sep-30-22 | Sep-30-21 | Jun-30-21 | Dec-31-20 | Sep-30-20 | Jun-30-20 | Mar-31-20 | Dec-31-19 |
| | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
| Net income | -3.3 | -12.7 | -0.7 | -0.7 | -0.7 | -0.4 | -0.6 | -0.7 |
| Depreciation and amortization [+] | | 0.0 | | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Depreciation | | 0.0 | | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Stock-based compensation | | 5.0 | | | 0.0 | | | |
| Change in working capital [+] | | -2.4 | | 0.1 | 0.0 | 0.0 | 0.0 | 1.1 |
| Accounts receivable | | 0.1 | | | | | | |
| Other current assets | | -0.4 | | | | | | |
| Other | | -2.0 | | 0.1 | 0.0 | 0.0 | 0.0 | 1.1 |
| Other operating activities | 0.0 | -9.5 | 0.0 | -0.2 | 0.1 | -0.1 | 0.2 | -0.7 |
| Cash from operations | -3.4 | -19.6 | -0.7 | -0.8 | -0.7 | -0.5 | -0.4 | -0.4 |
| |
| Capital expenditures [+] | 0.0 | -0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Purchases of property and equipment | | -0.1 | | | | | | 0.0 |
| Sales of property and equipment | | | | | | | | 0.0 |
| Sales of short-term investments | | -0.3 | | 0.3 | 0.0 | 0.4 | | 0.4 |
| Sales of short-term investments | | -0.3 | | 0.3 | 0.0 | 0.4 | | 0.4 |
| Other cash from investing | | 13.6 | | -0.3 | 0.0 | -0.4 | | -0.4 |
| Cash from investing | 0.0 | 13.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| |
| Repurchase of common stock, net | | -7.0 | | 2.8 | | 2.8 | | |
| Financing costs | | -0.3 | | | | | | |
| Other cash from financing | | 14.9 | | -2.8 | | | 0.4 | |
| Cash from financing | 0.0 | 8.2 | 0.0 | 0.0 | 0.0 | 2.8 | 0.4 | 0.0 |
| |
| Free cash flow | -3.4 | -19.7 | -0.7 | -0.8 | -0.7 | -0.5 | -0.4 | -0.4 |
| Per share (diluted) | ($0.07) | ($0.73) | ($0.04) | ($0.06) | ($0.05) | ($0.04) | ($0.04) | ($0.03) |
| |
| Cash paid for interest | | 0.3 | | | | | | |