| In millions, except per share items | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| | 10-K | 10-K | 10-K | 10-K |
| Net income | 0.8 | 0.3 | -0.6 | 0.0 |
| Depreciation and amortization [+] | 0.3 | 0.2 | 0.2 | 0.2 |
| Depreciation | 0.3 | 0.2 | 0.2 | 0.2 |
| Stock-based compensation | | 0.4 | | |
| Change in working capital [+] | -0.1 | 0.5 | 0.3 | -0.1 |
| Accounts receivable | -0.4 | -0.3 | 0.2 | 0.0 |
| Accounts payable | 0.2 | 0.1 | | |
| Accrued expenses | 0.0 | 0.0 | 0.0 | 0.0 |
| Other | 0.1 | 0.6 | 0.1 | -0.1 |
| Other operating activities | 0.0 | | | -0.1 |
| Cash from operations | 1.0 | 1.4 | -0.1 | 0.0 |
| |
| Capital expenditures [+] | -0.4 | -0.1 | -0.4 | -0.2 |
| Purchases of property and equipment | -0.4 | -0.1 | -0.4 | -0.2 |
| Sales of property and equipment | 0.1 | | | |
| Other cash from investing | -0.3 | | | |
| Cash from investing | -0.6 | -0.1 | -0.4 | -0.2 |
| |
| Cash dividends paid | | | -0.1 | -0.1 |
| Issuance of common stock, net | | 0.1 | | |
| Financing costs | -0.7 | -0.2 | | |
| Other cash from financing | -1.6 | -0.9 | 0.5 | 0.2 |
| Cash from financing | -0.9 | -0.6 | 0.5 | 0.1 |
| |
| Free cash flow | 0.5 | 1.3 | -0.4 | -0.1 |
| Per share (diluted) | $0.02 | $0.06 | ($0.02) | ($0.01) |
| |
| Cash paid for interest | 0.1 | 0.1 | 0.0 | 0.0 |
| Cash paid for income taxes | 0.2 | | | |