| In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Net income | 0.9 | 1.0 | 1.9 | 1.9 | 1.6 | 1.4 | 2.0 | 1.0 |
| Depreciation and amortization [+] | 0.1 | 0.1 | -0.4 | 0.1 | 0.1 | 0.1 | -0.3 | 0.1 |
| Depreciation | 0.1 | 0.1 | -0.4 | 0.1 | 0.1 | 0.1 | -0.3 | 0.1 |
| Stock-based compensation | 0.2 | 0.2 | -0.7 | 0.2 | 0.2 | 0.2 | -0.1 | 0.1 |
| Deferred taxes | -0.1 | | -0.2 | 0.1 | 0.1 | | -0.5 | 0.1 |
| Change in working capital | -0.4 | 0.4 | 1.9 | 0.1 | -0.5 | 0.4 | -1.0 | -0.3 |
| Other | -0.4 | 0.4 | 1.9 | 0.1 | -0.5 | 0.4 | -1.0 | -0.3 |
| Other operating activities | -0.4 | -0.6 | -0.8 | 0.3 | -3.5 | 6.1 | -18.2 | 4.2 |
| Cash from operations | 0.4 | 1.2 | 1.8 | 2.8 | -2.0 | 8.2 | -17.9 | 5.3 |
| |
| Capital expenditures | -0.1 | -0.1 | 0.4 | -0.1 | -0.1 | 0.0 | 2.8 | -0.4 |
| Purchases of property and equipment | -0.1 | -0.1 | 0.4 | -0.1 | -0.1 | 0.0 | 2.8 | -0.4 |
| Purchases of short-term investments, net | 10.1 | 2.9 | 159.9 | -1.6 | -5.1 | -49.0 | 58.9 | -1.2 |
| Purchases of short-term investments | | | 136.9 | -2.0 | -13.3 | -54.1 | 43.3 | -7.2 |
| Sales of short-term investments | 10.1 | 2.9 | 23.0 | 0.4 | 8.3 | 5.1 | 15.6 | 6.1 |
| Other cash from investing | 13.6 | 5.7 | -161.2 | -64.0 | -81.1 | -8.8 | -55.3 | -3.2 |
| Cash from investing | 23.7 | 8.5 | -0.9 | -65.7 | -86.3 | -57.9 | 6.4 | -4.7 |
| |
| Repurchase of common stock, net | -0.8 | -1.4 | -4.1 | -1.7 | -2.4 | -1.9 | -0.3 | -0.2 |
| Other cash from financing | -18.7 | -0.6 | 6.8 | 70.2 | 29.2 | 15.5 | 0.6 | 15.2 |
| Cash from financing | -19.6 | -2.0 | 2.6 | 68.6 | 26.8 | 13.6 | 0.3 | 15.0 |
| |
| Free cash flow | 0.3 | 1.1 | 2.2 | 2.7 | -2.0 | 8.2 | -15.2 | 5.0 |
| Per share (diluted) | $0.02 | $0.09 | $0.16 | $0.20 | ($0.15) | $0.59 | ($1.09) | $0.36 |
| |
| Cash paid for interest | 5.2 | 4.4 | 2.8 | 1.7 | 1.2 | 1.2 | 2.8 | |