| In millions, except per share items | Jun-30-17 | Jun-30-16 | Jun-30-15 | Jun-30-14 | Jun-30-13 | Jun-30-12 | Jun-30-11 | Jun-30-10 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Net income | -25.9 | -16.0 | -19.2 | -18.9 | -16.1 | -13.6 | -3.5 | -10.9 |
| Depreciation and amortization | 0.6 | 0.9 | 1.3 | 1.4 | 1.2 | 0.9 | 0.7 | 0.8 |
| Stock-based compensation | | | 0.1 | 0.1 | 0.1 | 0.1 | | |
| Change in working capital [+] | -0.5 | 1.3 | -0.4 | 0.3 | -1.3 | 1.9 | 1.2 | 1.1 |
| Restricted cash | | | | | | | 0.1 | 0.2 |
| Accounts receivable | -0.3 | 0.1 | 0.3 | -0.3 | -0.1 | 0.0 | 0.0 | 0.2 |
| Inventories | -0.2 | 0.3 | -0.3 | 0.4 | -0.9 | 0.3 | 0.3 | 0.8 |
| Other current assets | 0.2 | 0.0 | 0.0 | -0.1 | 0.0 | -0.1 | 0.1 | 0.1 |
| Deferred revenues | -0.2 | 0.5 | | 0.0 | -0.3 | 1.3 | 0.7 | -0.1 |
| Other | 0.1 | 0.4 | -0.4 | 0.3 | 0.1 | 0.4 | 0.0 | 0.0 |
| Other operating activities | 12.3 | 1.7 | 1.9 | 3.3 | 1.3 | 1.0 | 0.6 | 1.3 |
| Cash from operations | -13.5 | -12.1 | -16.4 | -13.8 | -14.9 | -9.7 | -1.1 | -7.7 |
| |
| Capital expenditures | -0.1 | -0.3 | -0.7 | -0.8 | -2.1 | -2.6 | -0.1 | -0.4 |
| Purchases of property and equipment | -0.1 | -0.3 | -0.7 | -0.8 | -2.1 | -2.6 | -0.1 | -0.4 |
| Purchases of short-term investments, net | 9.1 | 7.7 | -0.1 | -11.4 | 0.0 | -4.7 | -1.5 | |
| Purchases of short-term investments | -1.2 | -17.1 | -30.5 | -20.0 | -10.1 | -11.1 | -1.5 | |
| Sales of short-term investments | 10.3 | 24.8 | 30.3 | 8.6 | 10.1 | 6.4 | | |
| Cash from investing | 9.0 | 7.4 | -0.8 | -12.2 | -2.1 | -7.2 | -1.6 | -0.4 |
| |
| Issuance of common stock, net | | | -0.1 | 29.9 | 14.7 | 15.1 | 5.1 | 9.9 |
| Option exercises | | | | | 0.1 | 0.1 | 0.2 | 0.0 |
| Other cash from financing | 6.9 | | | 15.3 | 0.2 | 2.7 | -0.9 | -0.6 |
| Cash from financing | 6.9 | 0.0 | -0.1 | 45.2 | 14.8 | 17.6 | 3.9 | 9.3 |
| |
| Free cash flow | -13.6 | -12.3 | -17.1 | -14.6 | -16.9 | -12.3 | -1.2 | -8.1 |
| Per share (diluted) | ($1.22) | ($1.38) | ($1.92) | ($2.51) | ($0.41) | ($0.40) | ($0.05) | ($0.37) |
| |
| Cash paid for interest | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.0 | 0.1 |