| In millions, except per share items | Jun-30-18 | Mar-31-18 | Dec-31-17 | Sep-30-17 | Jun-30-17 | Mar-31-17 | Dec-31-16 | Sep-30-16 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Net income | -2.4 | -0.6 | 0.1 | -1.9 | -2.5 | -5.9 | -8.9 | -8.0 |
| Depreciation and amortization | 0.5 | 0.5 | 0.5 | 0.5 | 0.6 | 0.6 | 0.7 | 0.7 |
| Asset impairment charges | 0.0 | 0.0 | 0.0 | 0.4 | 0.6 | | 0.6 | |
| Stock-based compensation | 0.1 | 0.1 | 0.2 | 0.2 | 0.3 | 0.4 | 0.5 | 0.7 |
| Deferred taxes | 0.0 | 0.0 | 0.0 | -0.1 | -0.1 | -0.1 | -0.1 | 0.0 |
| Change in working capital [+] | 2.4 | 6.6 | 3.8 | 0.6 | 5.1 | 3.0 | 6.8 | 8.9 |
| Accounts receivable | 3.9 | 0.9 | -0.6 | -1.5 | -4.0 | -1.5 | 0.6 | 3.4 |
| Inventories | 1.4 | 3.6 | 1.7 | 1.2 | 2.0 | 3.0 | 1.8 | 6.3 |
| Accounts payable | -1.2 | 1.9 | 3.5 | 3.2 | 3.6 | -0.1 | -0.5 | -2.6 |
| Accrued expenses | -1.9 | -1.2 | -1.0 | -1.1 | 0.0 | -0.3 | -0.7 | -1.7 |
| Other | 0.2 | | 0.2 | -1.2 | 3.6 | 1.9 | 5.6 | 3.5 |
| Other operating activities | -6.0 | -11.6 | -8.3 | -0.8 | -3.8 | 2.4 | -0.4 | |
| Cash from operations | -5.4 | -4.9 | -3.8 | -1.0 | 0.1 | 1.1 | -0.8 | -0.2 |
| |
| Capital expenditures [+] | 0.0 | -0.1 | -0.3 | -0.4 | -0.4 | -0.3 | -0.3 | -0.2 |
| Purchases of property and equipment | | | -0.3 | | -0.4 | -0.3 | -0.3 | -0.2 |
| Sales of property and equipment | | 1.0 | | | 2.6 | 2.1 | | |
| Other cash from investing | | | | | | | 1.5 | |
| Cash from investing | 0.5 | 0.8 | 2.3 | 3.7 | 3.7 | 3.3 | 1.2 | -0.2 |
| |
| Other cash from financing | -0.9 | -0.4 | -0.1 | 0.0 | -0.6 | -1.0 | -1.3 | -2.1 |
| Cash from financing | -0.9 | -0.4 | -0.1 | 0.0 | -0.6 | -1.0 | -1.3 | -2.1 |
| |
| Free cash flow | -5.4 | -5.1 | -4.0 | -1.4 | -0.2 | 0.8 | -1.1 | -0.4 |
| Per share (diluted) | ($0.23) | ($0.21) | ($0.17) | ($0.06) | ($0.01) | $0.04 | ($0.05) | ($0.02) |
| |
| Cash paid for interest | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 |
| Cash paid for income taxes | 0.0 | | 0.0 | | 0.0 | 0.0 | 0.0 | |