| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Sep-30-16 | Sep-30-15 | Sep-30-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Mainland China | | | 21.6 | 21.3 | 57.4 | | | |
| Other | | | 0.6 | 3.1 | 0.9 | | | |
| Total revenues [+] | 52.7 | 37.6 | 22.2 | 24.4 | 58.4 | 10.4 | 13.9 | 123.0 |
| Grants | | | | | | | 23.1 | 0.1 |
| Revenue growth [+] | 40.2% | 69.3% | -9.2% | -58.1% | | -25.4% | -88.7% | -33.7% |
| Mainland China | | | 1.6% | -62.9% | | | | |
| Customer A | | | 14.1% | -50.8% | | | | |
| Cost of goods sold | 47.6 | 34.9 | 21.6 | 27.7 | 68.6 | 12.1 | 13.0 | 113.5 |
| Gross profit | 5.1 | 2.7 | 0.6 | -3.3 | -10.2 | -1.7 | 0.9 | 9.6 |
| Gross margin | 9.7% | 7.2% | 2.8% | -13.5% | -17.5% | -16.7% | 6.8% | 7.8% |
| Selling, general and administrative [+] | 12.3 | 4.4 | 5.4 | 6.6 | 7.5 | 5.7 | 3.5 | 16.9 |
| Sales and marketing | 2.3 | 0.7 | 1.0 | 2.1 | 3.2 | 1.0 | 0.1 | 4.5 |
| General and administrative | 10.0 | 3.7 | 4.4 | 4.5 | 4.3 | 4.7 | 3.3 | 12.4 |
| Research and development | 5.3 | 1.7 | 1.9 | 2.5 | 1.7 | 1.9 | 1.0 | 4.0 |
| Other operating expenses | -0.8 | 5.1 | 3.4 | 1.1 | 0.7 | 2.8 | 0.1 | 38.4 |
| EBITDA [+] | -8.1 | -5.8 | -7.3 | -11.0 | -18.6 | -11.0 | -3.1 | -41.4 |
| EBITDA growth | 40.8% | -21.2% | -33.1% | -41.0% | | 250.5% | -92.4% | 119.5% |
| EBITDA margin | -15.4% | -15.4% | -33.1% | -44.9% | -31.9% | -106.1% | -22.6% | -33.7% |
| Depreciation | 3.5 | 2.7 | 2.7 | 2.5 | 1.6 | 1.1 | 0.5 | 8.3 |
| EBITA | -11.7 | -8.5 | -10.1 | -13.4 | -20.2 | -12.1 | -3.6 | -49.7 |
| EBITA margin | -22.2% | -22.6% | -45.4% | -55.0% | -34.6% | -116.9% | -26.2% | -40.4% |
| Amortization of intangibles | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | | |
| EBIT [+] | -11.7 | -8.5 | -10.1 | -13.4 | -20.2 | -12.1 | -3.6 | -49.7 |
| EBIT growth | 38.1% | -16.0% | -24.9% | -33.5% | | 232.2% | -92.7% | 30.1% |
| EBIT margin | -22.2% | -22.6% | -45.5% | -55.0% | -34.6% | -116.9% | -26.2% | -40.4% |
| Non-recurring items [+] | | | | | 1.0 | | | -39.0 |
| Asset impairment | | | | | 1.0 | | | |
| Loss (gain) on sale of business | | | | | | | | -39.0 |
| Interest expense, net [+] | -0.8 | -1.8 | 1.4 | 0.8 | 0.2 | | | 16.8 |
| Interest expense | 0.3 | -1.4 | 1.4 | 0.8 | 0.2 | | | 16.8 |
| Interest income | 0.8 | 0.4 | | | | | | |
| Other income (expense), net [+] | 65.1 | -1.2 | 0.6 | 12.3 | 0.0 | 0.1 | 23.0 | 0.7 |
| Gain (loss) on sale of business | | | | | | | | -39.0 |
| Other | 3.6 | 0.0 | 0.6 | 12.3 | 0.0 | 0.1 | -0.1 | 0.7 |
| Pre-tax income | 53.8 | -7.8 | -10.9 | -2.0 | -21.5 | -12.0 | 19.4 | -26.7 |
| Income taxes | -7.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.7 | 5.3 | 0.0 |
| Tax rate | | 0.0% | 0.0% | 0.7% | 0.0% | | 27.5% | |
| Minority interest | -0.1 | 0.0 | 0.1 | 0.0 | | | | |
| Earnings from continuing ops | 61.5 | -7.8 | -10.8 | -1.9 | -21.5 | -12.7 | 12.2 | -91.2 |
| Earnings from discontinued ops | | | | | | | 1.8 | 64.5 |
| Net income | 61.5 | -7.8 | -10.8 | -1.9 | -21.5 | -12.7 | 14.0 | -26.7 |
| Net margin | 116.7% | -20.8% | -48.5% | -8.0% | -36.8% | -122.0% | 101.0% | -21.7% |
| |
| Basic EPS [+] | $0.70 | ($0.13) | ($0.28) | ($0.07) | ($0.92) | ($0.71) | $0.96 | ($7.23) |
| Growth | -657.3% | -54.4% | 278.2% | -92.1% | | -174.1% | -113.3% | -21.9% |
| Diluted EPS [+] | $0.70 | ($0.13) | ($0.28) | ($0.07) | ($0.92) | ($0.71) | $0.95 | ($7.23) |
| Growth | -655.6% | -54.4% | 278.2% | -92.1% | | -175.0% | -113.1% | -21.9% |
| |
| Shares outstanding (basic) [+] | 87.6 | 62.0 | 39.0 | 26.6 | 23.2 | 17.8 | 12.7 | 12.6 |
| Growth | 41.3% | 59.1% | 46.5% | 14.5% | | 39.8% | 0.8% | 0.0% |
| Shares outstanding (diluted) [+] | 87.9 | 62.0 | 39.0 | 26.6 | 23.2 | 17.8 | 12.9 | 12.6 |
| Growth | 41.8% | 59.1% | 46.5% | 14.5% | | 38.1% | 2.1% | 0.0% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |