| In millions, except per share items | Dec-31-22 | Dec-31-21 | Sep-30-21 | Dec-31-20 | Sep-30-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 |
| | 10-K | 10-K | 8-K | 10-K/A | 8-K | 10-K | 10-K | 10-K |
| Revenues: |
| North America | | | | | | 36.7 | 31.7 | 29.0 |
| Outside North America | | | | | | 0.9 | 0.6 | 0.4 |
| Total revenues | 50.6 | 55.4 | 44.9 | 48.0 | 34.3 | 37.6 | 32.3 | 29.4 |
| Revenue growth [+] | -8.7% | 15.5% | 31.2% | 27.6% | | 16.4% | 9.9% | 65.0% |
| North America | | | | | | 16.0% | 9.2% | 64.5% |
| Outside North America | | | | | | 37.2% | 54.7% | 103.9% |
| Cost of goods sold | 38.7 | 36.5 | 30.9 | 34.4 | 25.2 | 26.7 | 20.7 | 19.2 |
| Gross profit | 11.9 | 18.9 | 14.1 | 13.6 | 9.1 | 10.9 | 11.6 | 10.2 |
| Gross margin | 23.6% | 34.1% | 31.3% | 28.4% | 26.6% | 29.0% | 36.0% | 34.8% |
| Selling, general and administrative [+] | 21.6 | 19.0 | 13.7 | 15.0 | 9.7 | 11.9 | 9.8 | 9.5 |
| Sales and marketing | 15.5 | 14.1 | 9.9 | 9.6 | 6.7 | 9.2 | 8.2 | 7.2 |
| General and administrative | 6.1 | 4.9 | 3.8 | 5.4 | 3.0 | 2.7 | 1.6 | 2.3 |
| Research and development | 5.8 | 6.2 | 4.6 | 3.8 | 2.0 | 2.2 | 1.8 | 1.9 |
| Other operating expenses | -0.5 | -0.3 | -4.0 | -0.4 | | | | |
| EBITDA [+] | -14.2 | -4.9 | | -4.6 | | -2.9 | 0.4 | -0.7 |
| EBITDA growth | 188.4% | 7.5% | -92.6% | 57.8% | | -795.6% | -158.7% | -69.6% |
| EBITDA margin | -28.1% | -8.9% | -0.4% | -9.6% | -7.6% | -7.7% | 1.3% | -2.4% |
| Depreciation | 0.7 | 0.8 | | 0.2 | | 0.3 | 0.4 | 0.5 |
| EBITA | -14.9 | -5.8 | -0.2 | -4.8 | -2.6 | -3.2 | 0.1 | -1.2 |
| EBITA margin | -29.5% | -10.4% | -0.4% | -10.0% | -7.6% | -8.6% | 0.2% | -4.1% |
| Amortization of intangibles | 0.1 | 0.1 | | 0.0 | | | | |
| EBIT [+] | -15.0 | -5.9 | -0.2 | -4.8 | -2.6 | -3.2 | 0.1 | -1.2 |
| EBIT growth | 155.7% | 22.1% | -92.6% | 49.6% | | -6214.8% | -104.3% | -58.0% |
| EBIT margin | -29.7% | -10.6% | -0.4% | -10.0% | -7.6% | -8.6% | 0.2% | -4.1% |
| Non-recurring items [+] | | -4.0 | | | | | | |
| Loss (gain) on sale of assets | | -4.0 | | | | | | |
| Interest expense, net [+] | 0.4 | 0.2 | 0.2 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 |
| Interest expense | 0.4 | 0.3 | 0.2 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 |
| Interest income | 0.0 | 0.0 | | 0.0 | | 0.0 | 0.0 | 0.0 |
| Other income (expense), net [+] | 0.0 | 0.0 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Gain (loss) on debt retirement | | 0.0 | | 1.1 | | | | |
| Other | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Pre-tax income | -15.4 | -2.1 | -0.4 | -3.8 | -2.6 | -3.3 | 0.0 | -1.4 |
| Income taxes | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | | | | | | | | |
| Net income | -15.5 | -2.2 | -0.4 | -3.9 | -2.6 | -3.3 | -0.1 | -1.4 |
| Net margin | -30.7% | -4.0% | -0.9% | -8.0% | -7.7% | -8.7% | -0.2% | -4.6% |
| |
| Basic EPS [+] | ($0.34) | ($0.06) | ($0.01) | ($0.15) | ($0.12) | ($0.18) | $0.00 | ($0.09) |
| Growth | 506.0% | -63.7% | -90.9% | -16.0% | | 3798.6% | -94.9% | -56.5% |
| Diluted EPS [+] | ($0.34) | ($0.06) | ($0.01) | ($0.15) | ($0.12) | ($0.18) | $0.00 | ($0.09) |
| Growth | 506.0% | -63.7% | -90.9% | -16.0% | | 3798.6% | -94.9% | -56.5% |
| |
| Shares outstanding (basic) [+] | 46.4 | 39.8 | 37.7 | 25.3 | 22.4 | 18.1 | 16.0 | 14.9 |
| Growth | 16.7% | 57.2% | 68.2% | 40.2% | | 13.1% | 7.0% | 7.3% |
| Shares outstanding (diluted) [+] | 46.4 | 39.8 | 37.7 | 25.3 | 22.4 | 18.1 | 16.0 | 14.9 |
| Growth | 16.7% | 57.2% | 68.2% | 40.2% | | 13.1% | 7.0% | 7.3% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |