| In millions, except per share items | Apr-30-21 | Jan-31-21 | Oct-31-20 | Jul-31-20 | Apr-30-20 | Jan-31-20 | Oct-31-19 | Jul-31-19 |
| | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
| Net income | 0.0 | 0.0 | 0.0 | -33.3 | 0.0 | 0.0 | 0.0 | -9.3 |
| Depreciation and amortization [+] | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | -0.1 |
| Depreciation | 0.3 | 0.3 | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | -0.1 |
| Asset impairment charges | | | | | | | | 0.2 |
| Stock-based compensation | 0.4 | 0.5 | 1.2 | 0.4 | 0.4 | 0.4 | 0.8 | 1.5 |
| Deferred taxes | 2.0 | 3.0 | 73.0 | -67.3 | | | | 6.6 |
| Change in working capital [+] | 2.4 | 5.9 | 9.6 | 4.6 | 1.9 | 1.4 | 2.1 | 2.4 |
| Accounts receivable | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | -0.1 | 0.0 | -1.4 |
| Inventories | 0.4 | 0.1 | 0.0 | 0.2 | 0.0 | -0.1 | -0.1 | -0.1 |
| Other current assets | -0.1 | 0.0 | 0.0 | 0.3 | -0.1 | -0.1 | -0.2 | |
| Other | 2.0 | 5.8 | 9.6 | 4.2 | 1.9 | 1.7 | 2.4 | 4.0 |
| Other operating activities | -4.5 | -10.6 | -85.4 | 94.7 | -3.4 | -4.8 | -5.0 | -2.7 |
| Cash from operations | 0.6 | -1.0 | -1.3 | -0.6 | -0.9 | -2.8 | -1.8 | -1.5 |
| |
| Capital expenditures [+] | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Purchases of property and equipment | | | | | | 0.0 | 0.0 | 0.0 |
| Sales of property and equipment | | | | | | | | 0.0 |
| Other cash from investing | | | | | | | 0.0 | |
| Cash from investing | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| |
| Issuance of common stock, net | 0.7 | 0.8 | 2.2 | | | 0.1 | | |
| Other cash from financing | -0.2 | -0.1 | -0.1 | 0.2 | 1.0 | 2.4 | 2.0 | 0.4 |
| Cash from financing | 0.5 | 0.7 | 2.2 | 0.2 | 1.0 | 2.5 | 2.0 | 0.4 |
| |
| Free cash flow | 0.6 | -1.0 | -1.3 | -0.6 | -0.9 | -2.8 | -1.8 | -1.5 |
| Per share (diluted) | $0.00 | ($0.01) | ($0.01) | ($0.01) | ($0.01) | ($0.04) | ($0.03) | ($0.02) |
| |
| Cash paid for interest | | | 0.1 | | | | 0.0 | |