| 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/A | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Product | 0.0 | 0.2 | 0.5 | | | | | |
| UNITED KINGDOM | | 2.7 | 0.8 | | | | | |
| Seminars | 1.1 | 5.4 | 18.0 | | | | | |
| Other | | | 6.6 | | | | | |
| Total revenues | 1.1 | 7.7 | 25.9 | 75.5 | 76.2 | 97.7 | 89.2 | 87.2 |
| Revenue growth [+] | -85.9% | -70.2% | -65.7% | -0.9% | -22.1% | 9.6% | 2.3% | -9.7% |
| Product | -99.0% | -58.4% | | | | | | |
| UNITED KINGDOM | | 217.8% | | | | | | |
| Seminars | -80.1% | -69.8% | | | | | | |
| Cost of goods sold [+] | 0.5 | 2.3 | 5.8 | 39.9 | 45.6 | 54.0 | 47.8 | 48.2 |
| Maintenance and operations costs | | | | | | | | 90.3 |
| Gross profit | 0.6 | 5.4 | 20.1 | 35.6 | 30.5 | 43.8 | 41.4 | 39.0 |
| Gross margin | 57.9% | 70.2% | 77.6% | 47.2% | 40.1% | 44.8% | 46.4% | 44.7% |
| Selling, general and administrative [+] | 2.9 | 5.9 | 6.9 | 30.5 | 35.7 | 37.2 | 34.5 | 36.6 |
| Sales and marketing | 0.2 | 1.6 | 2.3 | 16.8 | 19.3 | 19.8 | 19.5 | 20.3 |
| General and administrative | 2.7 | 4.2 | 4.6 | 13.8 | 16.4 | 17.4 | 15.1 | 16.3 |
| Other operating expenses | 0.0 | 0.0 | 0.0 | 3.5 | 3.3 | 4.7 | 4.3 | 5.4 |
| EBITDA [+] | | -0.4 | 13.3 | 1.8 | -8.4 | 1.9 | 2.6 | -2.9 |
| EBITDA growth | 445.5% | -103.1% | 634.0% | -121.4% | -534.9% | -26.0% | -190.0% | -150.3% |
| EBITDA margin | -206.8% | -5.3% | 51.2% | 2.4% | -11.1% | 2.0% | 2.9% | -3.3% |
| Depreciation and amortization | | 0.0 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.2 |
| EBIT [+] | -2.2 | -0.4 | 13.2 | 1.6 | -8.5 | 1.8 | 2.5 | -3.1 |
| EBIT growth | 440.2% | -103.1% | 702.7% | -119.2% | -570.8% | -26.6% | -179.9% | -155.6% |
| EBIT margin | -206.8% | -5.4% | 50.9% | 2.2% | -11.2% | 1.9% | 2.8% | -3.6% |
| Interest expense | 0.5 | 0.5 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Interest expense | 0.5 | 0.5 | 0.2 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other income (expense), net [+] | 1.2 | 0.9 | 1.6 | 0.5 | 0.0 | 4.5 | 0.5 | 0.4 |
| Gain (loss) on debt retirement | 1.1 | 0.9 | | | | | | |
| Other | 0.0 | 0.0 | 1.6 | 0.5 | 0.0 | 4.5 | 0.5 | 0.4 |
| Pre-tax income | -1.5 | 0.0 | 14.6 | 2.1 | -8.5 | 6.3 | 2.9 | -2.7 |
| Income taxes | -0.1 | 0.7 | 2.9 | -1.3 | 0.5 | 2.0 | -0.9 | 0.0 |
| Tax rate | 3.8% | | 19.7% | | | 31.6% | | |
| Minority interest | 0.1 | | | | | | | |
| Earnings from continuing ops | -1.6 | -0.7 | 11.7 | 3.3 | -9.0 | 4.3 | 3.9 | -2.7 |
| Earnings from discontinued ops | | 0.2 | 4.3 | 8.3 | | | | |
| Net income | -1.5 | -0.6 | 16.0 | 10.0 | -10.0 | 4.3 | 3.9 | -2.7 |
| Net margin | -139.4% | -7.3% | 61.8% | 13.2% | -13.1% | 4.4% | 4.4% | -3.1% |
| |
| Basic EPS [+] | ($0.05) | ($0.03) | $0.51 | $0.15 | ($0.39) | $0.20 | $0.18 | ($0.12) |
| Growth | 78.8% | -105.0% | 246.1% | -137.5% | -296.2% | 8.5% | -247.5% | -126.6% |
| Diluted EPS [+] | ($0.05) | ($0.03) | $0.51 | $0.14 | ($0.39) | $0.00 | $0.18 | ($0.12) |
| Growth | 78.8% | -105.0% | 250.2% | -136.9% | -208537.9% | -99.9% | -240.5% | -128.0% |
| |
| Shares outstanding (basic) [+] | 35.5 | 29.2 | 23.1 | 22.7 | 23.0 | 21.5 | 21.1 | 21.8 |
| Growth | 21.6% | 26.5% | 1.6% | -1.3% | 7.0% | 2.0% | -3.5% | 39.3% |
| Shares outstanding (diluted) [+] | 35.5 | 29.2 | 23.2 | 23.1 | 23.0 | 22,857.0 | 22.1 | 21.8 |
| Growth | 21.6% | 25.6% | 0.4% | 0.6% | -99.9% | 103171.1% | 1.3% | 32.1% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |