In millions, except per share items | Jun-30-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 |
| 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
Net income | | -19.4 | -20.9 | -18.3 | -19.4 | -19.1 | -17.2 | -16.7 |
Depreciation and amortization [+] | | 0.3 | 0.3 | 0.4 | 0.6 | 0.8 | 0.8 | 0.7 |
Depreciation | | 0.0 | 0.2 | 0.4 | 0.5 | 0.7 | 0.6 | 0.7 |
Amortization of intangible assets | | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
Stock-based compensation | | 1.0 | 1.0 | 1.1 | 1.3 | 1.6 | 1.8 | 1.7 |
Change in working capital [+] | | 6.1 | 3.1 | 1.9 | 1.7 | 1.5 | -0.3 | -0.5 |
Accounts receivable | | | | | | 0.0 | | -0.7 |
Other current assets | | -0.2 | 1.1 | 1.5 | 1.6 | 1.6 | 0.0 | 0.0 |
Accounts payable | | 0.2 | 0.6 | 0.3 | 0.2 | -0.2 | 0.2 | 0.2 |
Accrued expenses | | 0.4 | 1.4 | 0.1 | -0.2 | 0.0 | 0.0 | -0.2 |
Other | | 5.7 | | | | | | |
Other operating activities | | -4.0 | 0.7 | 0.7 | 2.2 | 1.3 | 4.0 | 4.1 |
Cash from operations | | -16.1 | -15.8 | -14.3 | -13.7 | -14.0 | -11.1 | -10.6 |
|
Capital expenditures [+] | | -0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Purchases of property and equipment | | -0.1 | | | | 0.0 | 0.0 | 0.0 |
Sales of property and equipment | | 3.9 | 0.3 | | | | | 0.2 |
Purchases of intangible assets | | -0.1 | -0.2 | -0.2 | -0.3 | -0.6 | -0.7 | |
Sales of short-term investments, net [+] | | 7.4 | 7.9 | 7.7 | -1.4 | -0.2 | -2.2 | -11.5 |
Purchases of short-term investments | | -2.7 | -22.6 | -21.7 | -22.1 | -22.5 | -3.1 | -13.1 |
Sales of short-term investments | | 10.1 | 30.5 | 29.4 | 20.7 | 22.3 | 0.8 | 1.6 |
Other cash from investing | | | | -0.1 | | | | |
Cash from investing | | 11.0 | 8.0 | 7.4 | -1.5 | -0.6 | -1.2 | -10.4 |
|
Issuance of common stock, net | | | 0.2 | 0.2 | | 13.0 | 16.1 | |
Other cash from financing | | | | | | | | -5.1 |
Cash from financing | | 0.1 | 0.2 | 0.2 | -4.6 | 8.2 | 11.1 | 28.2 |
|
Free cash flow | | -16.2 | -15.8 | -14.3 | -13.7 | -14.0 | -11.1 | -10.6 |
Per share (diluted) | | ($0.33) | ($0.33) | ($0.30) | ($0.29) | ($0.30) | ($0.26) | ($0.26) |
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