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 |
| 10-K | 10-K | 10-K | 10-K | 6-K | 6-K | 6-K |
ASSETS | | | | | | | |
Current assets | | | | | | | |
Cash, cash equivalents and restricted cash | | | | | | | |
Short-term investments | | | | | | | |
Accounts receivable, net | 13.5 | 15.4 | | 0.4 | | | |
Inventories, net | 24.8 | 19.3 | 13.9 | | | | |
Prepaid expenses | 13.6 | 11.7 | 7.2 | 8.8 | | | |
Other current assets | 1.3 | 0.8 | | | | | |
Total current assets | 442.5 | 513.3 | 419.4 | 315.1 | | | |
|
Non-current assets | | | | | | | |
Other non-current assets | 13.3 | 11.8 | 0.2 | 0.2 | | | |
Property and equipment, net | 3.7 | 4.4 | 4.8 | 0.1 | | | |
Acquired intellectual property and other intangible assets, net | 6.4 | 8.4 | 9.3 | 8.9 | | | |
Total assets | 470.9 | 543.4 | 463.7 | 324.3 | | | |
|
LIABILITIES | | | | | | | |
Current liabilities | | | | | | | |
Accounts payable and accrued liabilities | 40.0 | 34.9 | 24.8 | 11.2 | | | |
Deferred revenue | 3.1 | 0.2 | | | | | |
Other current liabilities | 2.0 | 4.5 | 6.4 | 0.1 | | | |
Operating lease liabilities | 0.9 | 1.1 | 0.8 | | | | |
Total current liabilities | 46.1 | 40.6 | 32.0 | 11.3 | | | |
|
Non-current liabilities | | | | | | | |
Operating lease liabilities | 7.2 | 7.7 | 7.6 | | | | |
Deferred compensation and other non-current liabilities | 12.2 | 16.0 | 16.3 | 6.2 | | | |
Total liabilities | 65.4 | 64.3 | 55.9 | 25.7 | | | |
|
Commitments and contingencies (Note 17) | | | | | | | |
SHAREHOLDER’S EQUITY | | | | | | | |
Common shares | 1,185.3 | 1,177.1 | 944.3 | 746.5 | | | |
Additional paid-in capital | 85.5 | 59.0 | 39.4 | 25.4 | | | |
Accumulated other comprehensive loss | -1.1 | -0.9 | -0.8 | -0.8 | | | |
Accumulated deficit | -864.3 | -756.1 | -575.2 | -472.5 | | | |
Total shareholders' equity | 405.4 | 479.1 | 407.8 | 298.6 | | | |
Total liabilities and shareholders' equity | 470.9 | 543.4 | 463.7 | 324.3 | | | |