| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 |
| | 10-K | 10-K | 10-K | 10-K | 10-K/A | S-1/A | S-1 |
| Revenues: |
| Customer Three | | 0.2 | 0.1 | | | | |
| Customer Two | | 0.2 | 0.1 | | | | |
| Major Customers | | | 0.1 | | | | |
| Customer One | 0.6 | 0.2 | 0.3 | | | | |
| Other | 1.5 | 0.9 | 0.1 | | | | |
| Total revenues | 2.0 | 1.6 | 0.7 | 0.7 | 2.2 | 2.0 | 2.2 |
| Revenue growth [+] | 32.0% | 130.1% | -6.0% | -67.6% | 11.1% | -7.4% | |
| Customer Three | | 172.0% | | | | | |
| Customer Two | | 46.4% | | | | | |
| Customer One | 155.3% | -23.3% | | | | | |
| Cost of goods sold | 1.8 | 1.5 | 1.0 | 0.9 | 1.7 | 1.8 | 2.3 |
| Gross profit | 0.3 | 0.0 | -0.3 | -0.1 | 0.5 | 0.1 | -0.1 |
| Gross margin | 12.5% | 0.5% | -43.2% | -19.1% | 23.2% | 7.4% | -5.3% |
| Selling, general and administrative | 3.2 | 2.5 | 2.0 | 1.8 | 2.4 | 1.1 | 1.8 |
| Research and development | 0.4 | 0.0 | | | | | |
| EBITDA [+] | -3.2 | -2.5 | -2.2 | -1.9 | -1.6 | -0.7 | -1.5 |
| EBITDA growth | 31.7% | 11.2% | 19.0% | 18.6% | 139.8% | -57.6% | |
| EBITDA margin | -158.0% | -158.4% | -327.9% | -259.0% | -70.8% | -32.8% | -71.6% |
| Depreciation and amortization | 0.1 | 0.1 | 0.1 | 0.1 | 0.3 | 0.3 | 0.3 |
| EBIT [+] | -3.3 | -2.6 | -2.3 | -1.9 | -1.9 | -1.0 | -1.9 |
| EBIT growth | 30.3% | 13.7% | 17.5% | 1.9% | 94.8% | -48.0% | |
| EBIT margin | -163.5% | -165.7% | -335.3% | -268.3% | -85.3% | -48.6% | -86.6% |
| Interest expense | | | 0.0 | | | | |
| Interest expense | | | 0.0 | | | | |
| Other income (expense), net [+] | -1.4 | -1.7 | 0.0 | 0.0 | | | 0.0 |
| Amortization of debt discount premium | | | 0.0 | | | | |
| Gain (loss) on debt retirement | -0.2 | 0.0 | | | | | |
| Change in fair value of warrants | | | 0.0 | 0.0 | | | |
| Other non-operating income | 0.0 | | | | | | |
| Other | 0.0 | | 0.0 | 0.0 | | | |
| Pre-tax income | -4.7 | -4.3 | -2.3 | -1.9 | -1.9 | -1.0 | -1.8 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.1 |
| Tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 1.7% | 3.4% |
| Net income | -4.7 | -4.3 | -2.3 | -1.9 | -1.9 | -1.0 | -1.8 |
| Net margin | -229.5% | -277.9% | -335.9% | -268.2% | -85.3% | -47.8% | -82.5% |
| |
| Basic EPS [+] | ($0.84) | ($1.45) | ($1.00) | ($0.14) | ($0.38) | | |
| Growth | -41.7% | 44.0% | 608.8% | -62.4% | | | |
| Diluted EPS [+] | ($0.84) | ($1.45) | ($1.00) | ($0.14) | ($0.38) | | |
| Growth | -41.7% | 44.0% | 608.8% | -62.4% | | | |
| |
| Shares outstanding (basic) [+] | 5.6 | 3.0 | 2.3 | 13.6 | 5.0 | | |
| Growth | 87.1% | 32.2% | -83.4% | 171.1% | | | |
| Shares outstanding (diluted) [+] | 5.6 | 3.0 | 2.3 | 13.6 | 5.0 | | |
| Growth | 87.1% | 32.2% | -83.4% | 171.1% | | | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |