| In millions, except per share items | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Net income | -1.2 | -2.0 | -8.0 | -10.0 | 0.0 | 0.0 | -0.4 | 0.0 |
| Depreciation and amortization [+] | 0.1 | 0.1 | 0.1 | 0.0 | | | | |
| Depreciation | 0.0 | 0.0 | 0.1 | 0.0 | | | | |
| Amortization of intangible assets | 0.1 | 0.1 | | | | | | |
| Asset impairment charges | | | | 0.4 | | | | |
| Stock-based compensation | 0.5 | 0.1 | | | | | | |
| Change in working capital [+] | 0.2 | 0.5 | 0.5 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 |
| Accounts receivable | | 0.0 | 0.0 | | | | | |
| Other | 0.2 | 0.5 | 0.5 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 |
| Other operating activities | 0.0 | 0.6 | 5.9 | 8.0 | | | 0.0 | 0.0 |
| Cash from operations | -0.5 | -0.7 | -1.5 | -1.5 | 0.0 | 0.0 | -0.3 | 0.0 |
| |
| Capital expenditures [+] | 0.0 | 0.0 | 0.0 | -0.3 | 0.0 | 0.0 | 0.0 | 0.0 |
| Capitalized product costs | | | | -0.3 | | | | |
| Sales of property and equipment | | | | 0.0 | | | | |
| Other cash from investing | | 0.0 | | -0.2 | | | | |
| Cash from investing | 0.0 | 0.0 | 0.0 | -0.5 | 0.0 | 0.0 | 0.0 | 0.0 |
| |
| Issuance of common stock, net | 0.0 | | 0.5 | 2.0 | | | 0.3 | |
| Other cash from financing | 0.4 | 0.7 | 1.0 | 0.1 | | | | 0.0 |
| Cash from financing | 0.5 | 0.7 | 1.5 | 2.1 | 0.0 | 0.0 | 0.3 | 0.0 |
| |
| Free cash flow | -0.5 | -0.7 | -1.5 | -1.5 | 0.0 | 0.0 | -0.3 | 0.0 |
| Per share (diluted) | $0.00 | ($0.01) | ($0.01) | ($0.03) | $0.00 | $0.00 | ($0.04) | ($0.07) |
| |
| Cash paid for interest | | 0.0 | | | | | | |