| In millions, except per share items | Dec-31-22 | Dec-05-22 | Dec-31-21 | Dec-05-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 |
| | 10-K | 8-K | 10-K | 8-K | 10-K | 10-K | 10-K | 10-K |
| Net income | -6.0 | 0.0 | 1.7 | 1.7 | 1.0 | -0.1 | -2.4 | -5.8 |
| Depreciation and amortization [+] | 9.6 | | 2.5 | | 1.2 | 1.4 | 2.9 | 4.2 |
| Depreciation | 9.6 | | 2.5 | | 1.2 | 0.2 | 0.4 | 0.4 |
| Amortization of intangible assets | | | | | | 1.2 | 2.5 | 3.7 |
| Stock-based compensation | | | | | | 1.1 | 0.8 | 1.7 |
| Change in working capital [+] | -2.8 | | 7.5 | | 1.4 | -0.1 | 0.6 | -6.4 |
| Accounts receivable | | | | | | 2.8 | -1.5 | 17.9 |
| Other current assets | | | | | | -0.1 | 0.5 | 0.1 |
| Other | -2.8 | | 7.5 | | 1.4 | -2.7 | 1.6 | -24.5 |
| Other operating activities | -3.2 | | -9.1 | | -0.5 | -0.1 | 1.1 | 4.7 |
| Cash from operations | -2.3 | | 2.6 | | 3.1 | 2.3 | 3.0 | -1.7 |
| |
| Capital expenditures | 0.8 | | 0.5 | | 0.4 | -0.1 | 0.0 | -0.1 |
| Purchases of property and equipment | 0.8 | | 0.5 | | 0.4 | -0.1 | 0.0 | -0.1 |
| Purchases of intangible assets | | | | | | -0.2 | -0.2 | -0.3 |
| Other cash from investing | -5.2 | | -17.5 | | -0.9 | | | |
| Cash from investing | -4.3 | | -16.9 | | -0.5 | -0.3 | -0.2 | -0.3 |
| |
| Issuance of common stock, net | | | | | 3.0 | | | |
| Option exercises | 0.8 | | 0.5 | | | | | |
| Financing costs | 0.2 | | 0.0 | | 1.1 | | | -0.2 |
| Other cash from financing | 8.8 | | 15.8 | | -0.5 | -0.7 | -1.7 | 1.5 |
| Cash from financing | 7.8 | | 15.3 | | 1.5 | -0.7 | -1.7 | 1.7 |
| |
| Free cash flow | -1.5 | | 3.1 | | 3.5 | 2.1 | 2.9 | -1.7 |
| Per share (diluted) | ($0.08) | | $0.15 | | $0.21 | $0.14 | $0.19 | ($0.11) |
| |
| Cash paid for interest | 5.7 | | 1.4 | | 0.4 | 0.4 | 0.4 | 0.3 |
| Cash paid for income taxes | 0.3 | | 0.4 | | 0.3 | 0.1 | | |