| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 |
| | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Customer B | 10.6 | 5.4 | | |
| Customer A | 100.1 | 41.7 | | |
| One customer | | | 13.7 | |
| Gold sales | 100.5 | 44.3 | 12.8 | |
| Total revenues | 110.7 | 47.0 | 13.7 | 0.0 |
| Revenue growth [+] | 135.4% | 243.2% | | |
| Customer B | 98.2% | | | |
| Customer A | 140.2% | | | |
| Gold sales | 127.0% | 245.8% | | |
| Silver sales | 269.0% | 205.2% | | |
| Cost of goods sold | 163.3 | 109.6 | 30.7 | 0.0 |
| Gross profit | -52.6 | -62.6 | -17.0 | 0.0 |
| Gross margin | -47.5% | -133.0% | -123.7% | |
| Selling, general and administrative [+] | 14.6 | 21.1 | 6.1 | 0.6 |
| General and administrative | 14.6 | 21.1 | 6.1 | 0.6 |
| Other operating expenses | 14.9 | 0.4 | 10.8 | |
| EBITDA [+] | -73.7 | -78.2 | -31.8 | |
| EBITDA growth | -5.7% | 145.9% | 5116.7% | |
| EBITDA margin | -66.6% | -166.2% | -232.0% | |
| Depreciation and amortization | 8.4 | 5.8 | 2.1 | |
| EBIT [+] | -82.2 | -84.0 | -33.9 | -0.6 |
| EBIT growth | -2.2% | 148.1% | 5457.6% | |
| EBIT margin | -74.2% | -178.6% | -247.1% | |
| Non-recurring items [+] | 1.8 | 5.3 | 0.1 | |
| Asset impairment | 1.8 | 5.3 | 0.1 | |
| Loss (gain) on sale of assets | 0.0 | | | |
| Interest expense, net [+] | 20.6 | 43.3 | 64.0 | 0.0 |
| Interest expense | 20.6 | 43.5 | 64.8 | |
| Interest income | | 0.2 | 0.8 | 0.0 |
| Other income (expense), net [+] | 14.4 | -3.8 | -0.9 | 2.8 |
| Reorganization items | | | -0.9 | |
| Change in fair value of warrants | 14.4 | -3.8 | | |
| Pre-tax income | -90.1 | -136.4 | -98.9 | 2.2 |
| Income taxes | -1.5 | 0.0 | 0.0 | 0.6 |
| Tax rate | 1.7% | 0.0% | 0.0% | 24.8% |
| Net income | -88.6 | -136.4 | -98.9 | 1.7 |
| Net margin | -80.0% | -289.9% | -721.4% | |
| |
| Basic EPS [+] | ($1.47) | ($3.92) | ($327.95) | $0.06 |
| Growth | -62.4% | -98.8% | -507646.3% | |
| Diluted EPS [+] | ($1.47) | ($3.92) | ($327.95) | $0.06 |
| Growth | -62.4% | -98.8% | -507646.3% | |
| |
| Shares outstanding (basic) [+] | 60.1 | 34.8 | 0.3 | 26.0 |
| Growth | 72.5% | 11451.0% | -98.8% | |
| Shares outstanding (diluted) [+] | 60.1 | 34.8 | 0.3 | 26.0 |
| Growth | 72.5% | 11451.0% | -98.8% | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |