| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Nov-30-16 | Dec-31-15 |
| | S-1/A | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K/A | 10-K/A |
| Net income | -2.9 | -3.0 | -1.3 | -3.1 | -2.6 | -4.3 | -0.6 | -0.8 |
| Depreciation and amortization [+] | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 | 0.2 | 0.1 | 0.1 |
| Depreciation | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 |
| Amortization of intangible assets | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 | 0.2 | 0.1 | 0.0 |
| Asset impairment charges | | 0.5 | | | 0.9 | | | |
| Change in working capital [+] | 0.3 | 0.0 | 0.1 | 0.1 | 0.4 | 0.5 | 0.4 | 0.1 |
| Accounts receivable | | | | | 0.0 | 0.0 | 0.0 | 0.0 |
| Inventories | | | | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other current assets | 0.0 | 0.0 | | | | | | |
| Accounts payable | 0.3 | 0.0 | 0.0 | 0.0 | -0.1 | 0.2 | 0.3 | 0.0 |
| Deferred revenues | | | | | -0.1 | 0.0 | | |
| Other | 0.0 | 0.0 | 0.1 | 0.0 | 0.5 | 0.3 | 0.1 | 0.0 |
| Other operating activities | 0.8 | 0.7 | 0.3 | 2.8 | 0.8 | 3.2 | 0.0 | 0.0 |
| Cash from operations | -1.8 | -1.8 | -0.8 | -0.1 | -0.3 | -0.4 | -0.1 | -0.6 |
| |
| Capital expenditures | 0.0 | 0.0 | 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 intangible assets | | | | | 0.0 | -0.1 | -0.1 | -0.1 |
| Other cash from investing | | | 0.0 | 0.1 | | | 0.0 | 0.0 |
| Cash from investing | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | -0.1 | -0.1 | -0.1 |
| |
| Other cash from financing | 1.5 | 2.1 | 0.9 | 0.0 | 0.3 | 0.3 | 0.2 | 0.4 |
| Cash from financing | 1.5 | 2.1 | 0.9 | 0.0 | 0.3 | 0.3 | 0.2 | 0.4 |
| |
| Free cash flow | -1.8 | -1.8 | -0.8 | -0.1 | -0.3 | -0.4 | -0.1 | -0.6 |
| Per share (diluted) | ($0.05) | ($0.05) | ($0.11) | $0.00 | $0.00 | ($0.01) | ($0.01) | ($0.06) |
| |
| Cash paid for income taxes | | | | | | 0.0 | | |