In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
Net income | -101.9 | -12.1 | -2.6 | -3.6 | -9.7 | -2.7 | -12.6 | 1.6 |
Depreciation and amortization [+] | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.3 | 0.8 |
Depreciation | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.2 |
Amortization of intangible assets | | | | | | | 0.1 | 0.6 |
Asset impairment charges | 67.6 | | | | | | | |
Stock-based compensation | 6.1 | 2.7 | | | | 0.0 | 0.1 | 0.5 |
Change in working capital [+] | 1.5 | -0.1 | 0.8 | 0.7 | -1.2 | 0.8 | 1.9 | 6.3 |
Accounts receivable | -0.4 | | | | -0.1 | 0.3 | -0.4 | 0.6 |
Other current assets | 0.9 | -0.3 | | | | 0.2 | -0.3 | 0.0 |
Accounts payable | | | | | -1.0 | 0.1 | -0.8 | 0.5 |
Accrued expenses | | | | | | 0.2 | 0.2 | 0.2 |
Deferred revenues | 0.4 | | | | | 0.0 | -0.1 | -0.8 |
Other | 0.5 | 0.3 | 0.8 | 0.7 | | | 3.3 | 5.7 |
Other operating activities | -1.5 | 4.4 | -0.8 | -1.7 | 4.2 | -3.2 | -1.7 | -23.7 |
Cash from operations | -28.2 | -5.1 | -2.7 | -4.6 | -6.6 | -5.0 | -12.1 | -14.5 |
|
Capital expenditures [+] | -0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Purchases of property and equipment | -0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Sales of property and equipment | | | 0.1 | 0.0 | 0.0 | 0.2 | 0.0 | |
Sales of short-term investments, net [+] | | | 1.4 | 11.7 | 12.5 | | | 0.3 |
Purchases of short-term investments | | | | | | | | -1.4 |
Sales of short-term investments | | | 1.4 | 11.7 | 12.5 | | | 1.7 |
Other cash from investing | 13.6 | | -1.2 | -7.7 | -8.6 | 5.5 | -10.3 | -2.0 |
Cash from investing | 13.5 | 0.0 | 0.2 | 4.0 | 3.9 | 5.7 | -10.3 | -1.8 |
|
Issuance of common stock, net | 7.3 | | | | | | 28.1 | 9.7 |
Financing costs | -0.3 | | | | | | | |
Other cash from financing | 13.3 | 5.7 | | 0.1 | | 0.5 | -3.2 | |
Cash from financing | 21.0 | 5.7 | 0.0 | 0.1 | 0.0 | 0.5 | 24.9 | 10.6 |
|
Free cash flow | -28.4 | -5.1 | -2.7 | -4.6 | -6.6 | -5.0 | -12.1 | -14.5 |
Per share (diluted) | ($0.81) | ($0.70) | ($0.24) | ($0.41) | ($0.59) | ($0.46) | ($1.71) | ($5.36) |
|
Cash paid for interest | 1.3 | | | | | | 0.5 | 0.5 |