| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 |
| | 10-K | 10-K | 10-K | 10-K | 10-K/A | 10-K/A |
| Revenues: |
| United States | 0.0 | 0.1 | 1.2 | 1.0 | 0.8 | |
| Other | 0.0 | 0.0 | 0.7 | 0.7 | 0.6 | |
| Revenues [+] | 0.0 | 0.1 | 1.9 | 1.7 | 1.4 | 1.1 |
| Royalties | | | | | | 1.1 |
| Revenue growth [+] | -76.4% | -92.3% | 8.1% | 23.8% | 31.1% | |
| United States | -90.7% | -91.0% | 20.1% | 21.3% | | |
| Cost of goods sold | 0.0 | 0.0 | 0.2 | 0.2 | 0.4 | 0.0 |
| Gross profit | 0.0 | 0.1 | 1.7 | 1.5 | 1.0 | 1.1 |
| Gross margin | 61.8% | 86.8% | 91.5% | 85.9% | 73.9% | 100.0% |
| Selling, general and administrative [+] | 6.0 | 6.7 | 7.4 | 8.1 | 5.6 | 0.6 |
| General and administrative | 6.0 | 6.7 | 7.4 | 8.1 | 5.6 | 0.6 |
| Research and development | 1.0 | 1.5 | 5.0 | 5.9 | 5.8 | |
| Other operating expenses | | -0.2 | | | | |
| EBITDA [+] | | | -9.4 | -11.9 | -9.9 | |
| EBITDA growth | -11.1% | -18.2% | -21.0% | 20.2% | -2302.2% | |
| EBITDA margin | -20126.5% | -5344.4% | -503.9% | -689.2% | -709.9% | 42.3% |
| Depreciation | | | 0.7 | 0.1 | 0.1 | |
| EBITA | -6.8 | -7.7 | -10.1 | -12.0 | -10.0 | 0.5 |
| EBITA margin | -20126.5% | -5344.4% | -541.3% | -694.5% | -714.0% | 42.3% |
| Amortization of intangibles | 0.1 | 0.1 | 0.6 | 0.6 | 0.5 | |
| EBIT [+] | -7.0 | -7.8 | -10.7 | -12.6 | -10.4 | 0.5 |
| EBIT growth | -10.9% | -26.7% | -15.0% | 20.2% | -2421.1% | |
| EBIT margin | -20514.7% | -5435.4% | -571.3% | -726.8% | -748.2% | 42.3% |
| Non-recurring items [+] | | 0.1 | | | 0.8 | |
| Unusual expense | | 0.1 | | | | |
| In-process research & development | | | | | 0.8 | |
| Interest expense, net [+] | 3.3 | 1.1 | 0.5 | 0.0 | -0.1 | |
| Interest expense | 3.3 | 1.1 | 0.5 | | | |
| Interest income | | | | 0.0 | 0.1 | |
| Other income (expense), net [+] | 20.8 | 17.7 | 0.0 | 0.3 | 3.4 | -0.5 |
| Change in fair value of warrants | -0.2 | | | | | |
| Other non-operating income | 0.0 | 0.4 | | | 0.2 | |
| Other | 0.0 | -0.4 | 0.0 | 0.3 | 0.2 | |
| Pre-tax income | 10.5 | 8.7 | -11.1 | -12.2 | -7.7 | 0.0 |
| Income taxes | 21.0 | 17.4 | -0.2 | 0.1 | -0.2 | 0.0 |
| Tax rate | 199.6% | 199.7% | 1.3% | | 3.0% | |
| Minority interest | | | -0.1 | -0.2 | -0.2 | |
| Earnings from continuing ops | -10.5 | -8.6 | -10.9 | -12.2 | -7.5 | |
| Earnings from discontinued ops | | -0.1 | | | | |
| Net income | -10.5 | -8.7 | -10.9 | -12.2 | -7.5 | 0.0 |
| Net margin | -30947.1% | -6031.3% | -581.6% | -703.4% | -537.4% | 0.0% |
| |
| Basic EPS [+] | ($0.28) | ($0.23) | ($0.29) | ($0.33) | ($0.21) | |
| Growth | 22.4% | -21.5% | -11.6% | 51.8% | | |
| Diluted EPS [+] | ($0.28) | ($0.23) | ($0.29) | ($0.33) | ($0.21) | |
| Growth | 22.4% | -21.5% | -11.6% | 51.8% | | |
| |
| Shares outstanding (basic) [+] | 37.9 | 37.9 | 37.7 | 37.3 | 34.9 | |
| Growth | 0.2% | 0.6% | 1.1% | 6.8% | | |
| Shares outstanding (diluted) [+] | 37.9 | 37.9 | 37.7 | 37.3 | 34.9 | |
| Growth | 0.2% | 0.6% | 1.1% | 6.8% | | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |