| In millions, except per share items | Mar-31-14 | Dec-31-13 | Sep-30-13 | Jun-30-13 | Mar-31-13 | Dec-31-12 | Sep-30-12 | Jun-30-12 |
| | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
| Net income | 0.4 | 0.4 | 0.5 | | 0.4 | 0.3 | 0.3 | |
| Depreciation and amortization [+] | 0.4 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 |
| Depreciation | 0.2 | 0.3 | 0.4 | 0.1 | 0.2 | 0.2 | 0.4 | 0.0 |
| Amortization | 0.3 | 0.2 | 0.1 | 0.4 | 0.3 | 0.2 | 0.1 | 0.4 |
| Stock-based compensation | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| Deferred taxes | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 |
| Change in working capital [+] | -4.2 | -3.4 | -0.8 | 4.1 | 1.0 | 1.3 | 0.6 | -7.5 |
| Accrued expenses | -4.3 | -3.7 | -1.3 | | 0.6 | 0.7 | 0.2 | |
| Income taxes | | | | | 0.0 | | | |
| Other | 0.1 | 0.3 | 0.4 | | 0.3 | 0.6 | 0.3 | |
| Other operating activities | 4.1 | 2.9 | 1.2 | | -0.6 | -0.5 | 0.3 | |
| Cash from operations | 1.0 | 0.6 | 1.5 | 2.3 | 1.4 | 1.7 | 1.7 | 2.2 |
| |
| Capital expenditures | 0.0 | -0.1 | -0.1 | 0.0 | -0.1 | -0.2 | 0.0 | -0.1 |
| Purchases of property and equipment | 0.0 | -0.1 | -0.1 | 0.0 | -0.1 | -0.2 | 0.0 | -0.1 |
| Purchases of short-term investments, net | 7.4 | 1.3 | -5.6 | | -16.4 | -12.7 | -2.4 | |
| Purchases of short-term investments | -10.9 | -10.9 | -10.9 | | -39.9 | -29.1 | -13.8 | |
| Sales of short-term investments | 18.3 | 12.2 | 5.3 | | 23.5 | 16.4 | 11.5 | |
| Other cash from investing | -12.9 | -10.4 | 6.7 | | 17.6 | -1.3 | 8.1 | |
| Cash from investing | -5.6 | -9.2 | 1.1 | -7.5 | 1.1 | -14.1 | 5.7 | 26.3 |
| |
| Repurchase of common stock, net | | 0.0 | 0.0 | 0.0 | -0.1 | | 0.0 | |
| Other cash from financing | 8.7 | 1.6 | -3.5 | -5.8 | -14.1 | 12.0 | -16.4 | -10.4 |
| Cash from financing | 8.7 | 1.6 | -3.5 | -5.8 | -14.2 | 12.0 | -16.4 | -10.4 |
| |
| Free cash flow | 1.0 | 0.6 | 1.4 | 2.3 | 1.3 | 1.5 | 1.7 | 2.0 |
| Per share (diluted) | $0.16 | $0.09 | $0.23 | | $0.21 | $0.24 | $0.27 | |