| In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Net income | -20.6 | -21.0 | -18.1 | -13.1 | -8.3 | -5.8 |
| 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 |
| Amortization of intangible assets | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Stock-based compensation | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.4 |
| Change in working capital [+] | 7.8 | 7.1 | 5.4 | 3.1 | 0.8 | 0.9 |
| Other current assets | 1.0 | -0.5 | -0.3 | 0.5 | -0.6 | 0.0 |
| Accounts payable | 7.0 | 6.5 | 2.7 | 1.5 | 0.7 | 0.4 |
| Accrued expenses | -0.1 | 1.1 | 3.0 | 1.1 | 0.8 | 0.5 |
| Other operating activities | -1.7 | -2.8 | -4.8 | -7.1 | -8.0 | -6.0 |
| Cash from operations | -13.9 | -16.2 | -17.0 | -16.5 | -14.9 | -10.4 |
| |
| Capital expenditures | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Purchases of property and equipment | | | 0.0 | 0.0 | 0.0 | 0.0 |
| Purchases of short-term investments | | | 0.0 | | | |
| Purchases of short-term investments | | | 0.0 | | | |
| Other cash from investing | 0.3 | 0.2 | 0.0 | | | |
| Cash from investing | 0.3 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 |
| |
| Issuance of common stock, net | | | 5.0 | | | |
| Other cash from financing | | | 1.5 | | | |
| Cash from financing | 6.5 | 6.5 | 6.5 | 0.0 | 18.6 | 18.6 |
| |
| Free cash flow | -13.9 | -16.2 | -17.0 | -16.5 | -14.9 | -10.4 |
| Per share (diluted) | ($1.75) | ($2.13) | ($2.34) | ($2.42) | ($2.29) | ($1.74) |
| |
| Cash paid for interest | | | | | | 0.1 |