| 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 | Dec-31-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues [+] | 2.7 | 1.8 | 1.2 | 1.3 | 1.2 | 2.1 | 1.9 | 1.4 |
| Net interest income | | | | | 0.0 | 0.0 | 0.2 | 0.0 |
| Revenue growth | 46.1% | 49.8% | -3.6% | 1.9% | -41.5% | 14.0% | 30.5% | 203.5% |
| Cost of goods sold [+] | 1.8 | 0.8 | 0.4 | 0.5 | 0.5 | 0.8 | 0.7 | 0.6 |
| Labor costs | 1.2 | 0.5 | 0.3 | 0.4 | 0.4 | 0.6 | 0.5 | |
| Sales commissions and fees | | | | | | | | 0.5 |
| Other cost of sales | 0.4 | 0.3 | | | | | | |
| Real estate taxes and insurance | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Real estate or leased property costs | | | | | 0.0 | 0.1 | 0.1 | |
| Gross profit | 0.9 | 1.0 | 0.8 | 0.8 | 0.7 | 1.3 | 1.2 | 0.9 |
| Gross margin | 33.1% | 53.8% | 64.8% | 62.9% | 56.3% | 63.5% | 64.2% | 60.1% |
| Selling, general and administrative [+] | 0.6 | 0.6 | 0.4 | 0.4 | 0.5 | 0.4 | 1.2 | 1.6 |
| General and administrative [+] | 0.6 | 0.6 | 0.4 | 0.4 | 0.5 | 0.4 | 1.2 | 1.6 |
| General and administrative expenses | 0.3 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 |
| Professional fees | 0.4 | 0.4 | 0.2 | 0.2 | 0.3 | 0.2 | 1.0 | 1.3 |
| Research and development | | | | | | | | |
| Other operating expenses | | | | | 1.9 | 0.0 | 0.0 | 0.2 |
| EBITDA [+] | 0.3 | 0.4 | 0.4 | 0.4 | -1.7 | 1.0 | 0.0 | -0.9 |
| EBITDA growth | -33.4% | -5.3% | 10.5% | -121.5% | -276.3% | -20497.8% | -99.5% | -79.8% |
| EBITDA margin | 9.5% | 20.8% | 33.0% | 28.8% | -136.2% | 45.2% | -0.3% | -66.4% |
| Depreciation | 0.4 | 0.4 | 0.4 | 0.4 | 0.3 | 0.2 | 0.2 | 0.2 |
| EBITA | -0.1 | 0.0 | 0.0 | 0.0 | -2.0 | 0.7 | -0.2 | -1.1 |
| EBITA margin | -3.8% | 1.2% | 3.1% | 0.1% | -158.6% | 34.6% | -10.1% | -77.0% |
| Amortization of intangibles | 0.0 | 0.0 | | | | | | |
| EBIT [+] | -0.1 | 0.0 | 0.0 | 0.0 | -2.0 | 0.7 | -0.2 | -1.1 |
| EBIT growth | 1408.3% | -119.2% | 5177.3% | -100.0% | -368.5% | -491.5% | -82.9% | -77.1% |
| EBIT margin | -4.1% | -0.4% | 3.1% | 0.1% | -158.6% | 34.6% | -10.1% | -77.0% |
| Non-recurring items [+] | 0.0 | -0.1 | | | | 0.0 | 0.1 | 0.1 |
| Loss (gain) on sale of assets | 0.0 | -0.1 | | | | 0.0 | 0.0 | |
| Legal settlement | | | | | | 0.0 | 0.1 | 0.1 |
| Interest expense, net [+] | 0.1 | 0.0 | 0.1 | 0.1 | | -0.1 | 0.2 | 0.2 |
| Interest expense | 0.2 | 0.1 | 0.1 | 0.1 | | -0.1 | 0.2 | 0.2 |
| Interest income | 0.1 | 0.1 | 0.0 | | | 0.0 | | |
| Other income (expense), net [+] | -0.4 | -0.2 | 0.0 | 0.1 | -0.1 | 0.6 | -0.1 | -0.1 |
| Other non-operating income | | | | 0.1 | 0.1 | 0.8 | | 0.0 |
| Other | -0.5 | -0.2 | -0.1 | 0.1 | -0.1 | 1.5 | -0.2 | -0.2 |
| Pre-tax income | -0.6 | -0.2 | -0.1 | 0.0 | -2.0 | 1.4 | -0.5 | -1.4 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Net income | -0.6 | -0.2 | -0.1 | 0.0 | -2.0 | 1.4 | -0.5 | -1.4 |
| Net margin | -21.6% | -9.1% | -6.4% | -1.0% | -163.9% | 65.2% | -27.1% | -96.6% |
| |
| Basic EPS [+] | ($0.05) | ($0.01) | ($0.01) | $0.00 | ($0.12) | $0.08 | ($0.03) | ($0.08) |
| Growth | 245.6% | 108.8% | 532.7% | -99.1% | -246.1% | -372.2% | -61.3% | -89.5% |
| Diluted EPS [+] | ($0.05) | ($0.01) | ($0.01) | $0.00 | ($0.12) | $0.08 | ($0.03) | ($0.08) |
| Growth | 245.6% | 108.8% | 532.7% | -99.1% | -247.6% | -369.5% | -61.3% | -89.5% |
| |
| Shares outstanding (basic) [+] | 12.2 | 12.2 | 12.0 | 11.9 | 17.4 | 17.3 | 17.2 | 18.1 |
| Growth | 0.2% | 1.4% | 0.8% | -31.6% | 0.7% | 0.9% | -5.4% | 128.6% |
| Shares outstanding (diluted) [+] | 12.2 | 12.2 | 12.0 | 11.9 | 17.4 | 17.5 | 17.2 | 18.1 |
| Growth | 0.2% | 1.4% | 0.8% | -31.6% | -0.3% | 1.9% | -5.4% | 128.6% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |