| 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 | S-1/A | 20-F | 20-F |
| Cash flows from operating activities: | | | | | | | | |
| Net loss | -14.8 | -17.1 | -2.3 | 23.0 | 15.6 | 11.4 | 1.0 | -76.5 |
| Adjustments required to reconcile net loss to net cash from (used in) operating activities: | | | | | | | | |
| Depreciation and amortization | 12.2 | 12.9 | 9.7 | 7.8 | 9.2 | 10.0 | 12.2 | 13.5 |
| Loss from sale of property and equipment | 0.1 | | | | | | | |
| Share-based compensation expense | 2.6 | 1.7 | 2.1 | 2.0 | 1.2 | 1.1 | 1.6 | 3.3 |
| Decrease (increase) in accrued severance pay and pensions, net | -0.4 | 0.5 | 0.3 | 0.0 | | | | |
| Decrease (increase) in trade receivables, net | -11.2 | 9.3 | 4.5 | -11.1 | -6.4 | 11.1 | 39.5 | -33.9 |
| Increase in other accounts receivable and prepaid expenses | -7.0 | -6.7 | -2.1 | 4.6 | -0.3 | | -1.3 | 11.3 |
| Decrease in operating lease right-of-use assets | 5.7 | 5.1 | 5.3 | | | | | |
| Decrease (increase) in inventories | -11.9 | 9.9 | -9.5 | -1.0 | -8.6 | 4.7 | 10.2 | 1.8 |
| Increase (decrease) in trade payables | 5.9 | 2.0 | -15.9 | 2.3 | 4.8 | -2.4 | -28.4 | 25.2 |
| Increase in deferred revenues | 1.7 | 3.0 | 4.2 | -0.7 | 2.6 | -6.2 | -8.8 | 9.7 |
| Decrease (increase) in deferred tax assets, net | 8.3 | -0.2 | -0.3 | -6.6 | 0.5 | | 2.0 | 9.8 |
| Decrease in operating lease liability | -4.6 | -5.1 | -5.1 | | | | | |
| Increase | -1.6 | 1.9 | -3.8 | 2.1 | -1.5 | | -11.1 | -16.3 |
| Net cash provided by (used in) operating activities | -15.0 | 17.2 | -12.9 | 22.5 | 17.2 | 25.8 | 16.1 | -32.3 |
| |
| Cash flows from investing activities: | | | | | | | | |
| Purchase of property and equipment | -9.4 | -6.1 | -11.6 | -10.3 | -8.5 | | -5.3 | -12.7 |
| Proceeds from sale of property and equipment | 0.2 | | | | | | | |
| Purchase of intangible assets | -0.2 | -0.4 | -3.3 | -3.4 | -1.4 | | | |
| Proceeds from bank deposits | | | 1.0 | 0.0 | -1.0 | | | |
| Net cash used in investing activities | -9.4 | -6.5 | -13.9 | -15.3 | -10.9 | -8.2 | -4.7 | -7.5 |
| |
| Cash flows from financing activities: | | | | | | | | |
| Proceeds from (repayment of) bank credits and loans, net | 9.8 | -8.6 | 14.6 | | -17.0 | | | |
| Proceeds from exercise of stock options | 4.7 | 1.2 | 0.6 | 2.6 | 0.3 | | 0.1 | |
| Net cash provided by (used in) financing activities | 14.5 | -7.4 | 15.2 | 2.6 | -16.7 | | -15.8 | 38.8 |
| Translation adjustments on cash and cash equivalents | -0.1 | -0.2 | 0.0 | -0.1 | 0.0 | | -0.7 | 0.0 |
| Increase (decrease) in cash and cash equivalents | -10.0 | 3.2 | -11.6 | 9.7 | -10.5 | | | |
| Cash and cash equivalents at the beginning of the year | 27.1 | 23.9 | 35.6 | 25.9 | 36.3 | | | |
| Cash and cash equivalents at the end of the year | 17.1 | 27.1 | 23.9 | 35.6 | 25.9 | | 36.3 | |
| |
| Supplemental disclosure of cash flow information: | | | | | | | | |
| Cash paid for income taxes | 2.0 | 3.0 | 3.8 | 1.6 | 2.5 | | 1.5 | 2.6 |
| Cash paid for interest on bank loans | 1.3 | 1.1 | 1.8 | 1.8 | 1.8 | | 2.8 | 3.5 |