| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Oct-31-08 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Net income | -8.9 | -5.4 | -4.4 | -8.1 | 0.1 | 0.0 | -0.5 |
| Depreciation and amortization [+] | 0.5 | 0.1 | 0.1 | 1.7 | 0.0 | | 0.0 |
| Depreciation | 0.2 | 0.0 | 0.1 | 0.0 | 0.0 | | 0.0 |
| Amortization of intangible assets | 0.3 | 0.0 | 0.0 | 1.7 | | | |
| Asset impairment charges | 1.3 | 0.7 | | | | 1.2 | |
| Change in working capital [+] | 0.3 | -0.1 | 1.0 | -0.2 | 1.0 | 0.3 | 0.0 |
| Accounts receivable | -1.3 | -0.1 | 0.0 | 0.0 | 0.0 | | |
| Inventories | -0.8 | -0.1 | 0.0 | -0.1 | 0.0 | 0.0 | |
| Other current assets | | | | | 0.0 | | |
| Accounts payable | 1.4 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Accrued expenses | -0.1 | 0.2 | 0.9 | -0.1 | 1.0 | 0.2 | |
| Deferred revenues | 1.1 | | | | | | |
| Other | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Other operating activities | 2.5 | -0.1 | 1.4 | 4.8 | -2.7 | -2.4 | |
| Cash from operations | -4.2 | -4.8 | -2.0 | -1.8 | -1.6 | -1.0 | -0.1 |
| |
| Capital expenditures [+] | -0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Purchases of property and equipment | -0.1 | 0.0 | | | | | 0.0 |
| Capitalized product costs | | | | | | | 0.0 |
| Acquisitions | -1.3 | 0.0 | | | | | |
| Other cash from investing | -0.2 | | 0.0 | | -0.2 | -0.3 | |
| Cash from investing | -1.5 | 0.0 | 0.0 | 0.0 | -0.2 | -0.3 | 0.0 |
| |
| Issuance of common stock, net | 0.8 | 0.5 | | | | 0.4 | 0.1 |
| Other cash from financing | 5.3 | 4.3 | 2.0 | 1.8 | 1.0 | 1.5 | 0.1 |
| Cash from financing | 6.1 | 4.9 | 2.0 | 1.8 | 1.0 | 1.8 | 0.2 |
| |
| Free cash flow | -4.3 | -4.9 | -2.0 | -1.8 | -1.6 | -1.0 | -0.1 |
| Per share (diluted) | ($0.05) | ($0.11) | ($0.07) | $0.00 | $0.00 | $0.00 | ($0.01) |
| |
| Cash paid for interest | 0.2 | 0.0 | | 0.1 | | | |