In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| 8-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
Net income | 0.0 | -43.8 | -26.8 | -21.5 | -3.2 | -4.1 | -4.3 | -5.3 |
Depreciation and amortization [+] | | 2.6 | 1.8 | 1.6 | 0.4 | 0.3 | 0.3 | 0.3 |
Depreciation | | 1.2 | 1.0 | 0.7 | 0.0 | 0.1 | 0.1 | 0.1 |
Amortization of intangible assets | | 1.4 | 0.8 | 0.9 | 0.4 | 0.3 | 0.2 | 0.2 |
Asset impairment charges | | 0.6 | 0.2 | 0.1 | | | 0.0 | |
Stock-based compensation | | 1.2 | 0.4 | 0.4 | 0.2 | 0.2 | 0.4 | 0.9 |
Change in working capital [+] | | 12.0 | 4.8 | 4.0 | -0.8 | -0.3 | 0.0 | 1.3 |
Accounts receivable | | 0.2 | -1.3 | -0.3 | -0.1 | -0.1 | 0.4 | 1.0 |
Inventories | | -3.5 | 0.0 | -0.1 | 0.1 | 0.1 | -0.5 | -0.4 |
Other current assets | | -0.7 | -1.4 | 0.0 | -1.1 | | 0.4 | 0.2 |
Deferred revenues | | | | | | -0.1 | | |
Other | | 16.0 | 7.5 | 4.4 | 0.3 | -0.2 | -0.4 | 0.5 |
Other operating activities | | -15.1 | -9.0 | -4.1 | 0.1 | 0.1 | 0.0 | 0.5 |
Cash from operations | | -42.5 | -28.6 | -19.5 | -3.3 | -3.8 | -3.7 | -2.3 |
|
Capital expenditures [+] | | -0.8 | -0.7 | -0.4 | 0.0 | 0.0 | -0.4 | 0.0 |
Purchases of property and equipment | | -0.8 | -0.7 | -0.4 | | 0.0 | 0.0 | 0.0 |
Capitalized product costs | | | | | | | -0.4 | |
Purchases of intangible assets | | -2.4 | -0.2 | | | | | |
Other cash from investing | | 0.0 | | 0.0 | | | | |
Cash from investing | | -3.3 | -0.8 | -0.4 | 0.0 | 0.0 | -0.4 | 0.0 |
|
Issuance of common stock, net | | | 84.0 | | 1.0 | 2.9 | 5.1 | |
Financing costs | | -0.6 | | | | | | |
Other cash from financing | | 7.3 | -5.4 | 25.0 | 1.4 | -0.1 | -0.1 | 1.6 |
Cash from financing | | 7.9 | 78.6 | 25.0 | 2.3 | 2.8 | 5.0 | 1.6 |
|
Free cash flow | | -43.4 | -29.3 | -19.9 | -3.3 | -3.8 | -3.7 | -2.3 |
Per share (diluted) | | ($1.33) | ($5.12) | ($12.38) | ($0.46) | ($0.64) | ($0.84) | ($0.70) |
|
Cash paid for interest | | | | | 0.0 | 0.0 | 0.0 | 0.0 |