| 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 |
| | 20-F | 20-F | 20-F | 20-F | 20-F | 20-F | 20-F | 20-F |
| OPERATING ACTIVITIES: | | | | | | | | |
| Comprehensive loss | | | | | | | | |
| Adjustments in respect of income and expenses not involving cash flow: | | | | | | | | |
| Share-based compensation to employees and service providers | | | | | | | | |
| Depreciation | | | | | | | | |
| Amortization and impairment of intangible assets | | | | | | | | |
| Non-cash interest expenses related to borrowing and payable in respect of intangible assets purchase | | | | | | | | |
| Fair value adjustments on derivative financial instruments | | | | | | | | |
| Fair value (gains) losses on financial assets at fair value through profit or loss | | | | | | | | |
| Exchange differences and revaluation of bank deposits | | | | | | | | |
| Total adjustments in respect of income and expenses not involving cash flow | | | | | | | | |
| Changes in assets and liability items: | | | | | | | | |
| Increase in trade receivables | | | | | | | | |
| Decrease (increase) in prepaid expenses and other receivables | | | | | | | | |
| Increase in inventories | | | | | | | | |
| Increase in accounts payable | | | | | | | | |
| Increase (decrease) in accrued expenses and other liabilities | -3.2 | 19.3 | -2.7 | 0.7 | | | 1.7 | |
| Increase in allowance for deductions from revenue | 12.4 | 17.1 | 1.3 | 0.3 | | | | |
| Total changes in assets and liability items | | | | | | | | |
| Net cash used in operating activities | | | | | | | | |
| INVESTING ACTIVITIES: | | | | | | | | |
| Purchase of fixed assets | | | | | | | | |
| Purchase of intangible assets | | | | | | | | |
| Change in investment in current bank deposits | -8.5 | 10.2 | -2.1 | 4.9 | -13.0 | 36.8 | -29.5 | |
| Purchase of financial assets at fair value through profit or loss | | | | | | | | |
| Proceeds from sale of financial assets at fair value through profit or loss | | | | | | | | |
| Net cash provided by (used in) investing activities | | | | | | | | |
| FINANCING ACTIVITIES: | | | | | | | | |
| Proceeds from long-term borrowing, net of transaction costs | | 78.1 | | | | | | |
| Proceeds from issuance of ordinary shares, net of issuance costs | | | | | | | | |
| Exercise of options into ordinary shares | 4.0 | 0.1 | 0.0 | 0.4 | 3.4 | | | |
| Repayment of payable in respect of intangible asset purchase | -7.4 | | | -0.5 | | | | |
| Increase in restricted cash | | -20.0 | | | | | | |
| Decrease in restricted cash | | 4.0 | | | | | | |
| Payment of principal with respect to lease liabilities | | | | | | | | |
| Net cash provided by financing activities | | | | | | | | |
| INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | | | | | | | | |
| EXCHANGE DIFFERENCES ON CASH AND CASH EQUIVALENTS | | | | | | | | |
| BALANCE OF CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | | | | | | | | |
| BALANCE OF CASH AND CASH EQUIVALENTS AT END OF PERIOD | | | | | | | | |
| SUPPLEMENTARY INFORMATION ON INTEREST RECEIVED IN CASH | 0.0 | 0.4 | 0.8 | 0.7 | 0.5 | 0.4 | 0.2 | |
| SUPPLEMENTARY INFORMATION ON INTEREST PAID IN CASH | 11.3 | 6.7 | 0.3 | | | | | |
| Acquisition of right-of-use assets by means of lease liabilities | 0.3 | 2.9 | 2.8 | | | | | |
| Purchase of intangible assets posted as payable | | 24.6 | | | | | | |
| Purchase of an intangible asset in consideration for issuance of shares | | 1.9 | 11.8 | | | | | |