| 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/A | 10-K |
| Revenues: |
| ConBox | | | | | | 0.1 | 0.7 | 1.1 |
| Conventions | | | | | | 15.0 | 22.0 | 22.9 |
| Total revenues [+] | 0.5 | 0.4 | 0.4 | 10.6 | 13.9 | 15.1 | 22.7 | 24.0 |
| Other | | | | | | | 0.7 | 1.1 |
| Revenue growth [+] | 40.0% | -10.3% | -96.1% | -23.9% | -7.7% | -33.6% | -5.5% | 4.2% |
| ConBox | | | | | | -88.0% | -36.9% | |
| Conventions | | | | | | -31.9% | -4.0% | -0.7% |
| Cost of goods sold | 0.0 | 0.0 | 0.0 | 9.7 | 11.3 | 15.1 | 16.2 | 18.8 |
| Gross profit | 0.5 | 0.4 | 0.4 | 0.9 | 2.6 | 0.0 | 6.5 | 5.3 |
| Gross margin | 100.0% | 100.0% | 100.0% | 8.6% | 18.9% | 0.1% | 28.8% | 21.9% |
| Selling, general and administrative [+] | 3.6 | 5.8 | 2.0 | 2.5 | 3.6 | 5.3 | 7.7 | 8.1 |
| Sales and marketing | | | | | | | 4.5 | 5.4 |
| General and administrative [+] | 3.6 | 5.8 | 2.0 | 2.5 | 3.6 | 5.3 | 3.2 | 2.8 |
| Wages and related expenses | | | | 1.1 | 2.0 | | | |
| General and administrative expenses | 3.6 | 5.8 | 2.0 | 0.9 | 1.1 | 1.6 | 2.6 | 2.1 |
| Professional fees | | | | 0.5 | 0.4 | 0.7 | 0.7 | 0.6 |
| Other selling, general and administrative | | | | | | | 4.5 | 5.4 |
| Research and development | | | | | | | | |
| Other operating expenses | 9.0 | 12.6 | 0.6 | 0.3 | 0.0 | 0.0 | 0.0 | |
| EBITDA [+] | -12.1 | -18.0 | -2.3 | -1.8 | -0.9 | -5.2 | -1.1 | -2.8 |
| EBITDA growth | -33.1% | 701.6% | 24.3% | 110.9% | -83.5% | 389.7% | -61.6% | -282.5% |
| EBITDA margin | -2332.6% | -4877.8% | -545.8% | -17.1% | -6.2% | -34.4% | -4.7% | -11.5% |
| Depreciation and amortization | 0.7 | 0.1 | 0.0 | 0.0 | 0.1 | 0.1 | 0.2 | 0.1 |
| EBIT [+] | -12.7 | -18.2 | -2.3 | -1.9 | -0.9 | -5.3 | -1.2 | -2.9 |
| EBIT growth | -29.9% | 697.9% | 22.5% | 98.0% | -82.4% | 337.9% | -57.7% | -296.3% |
| EBIT margin | -2459.7% | -4908.2% | -551.7% | -17.6% | -6.7% | -35.4% | -5.4% | -12.0% |
| Non-recurring items [+] | -5.1 | 0.1 | | | 0.0 | 0.0 | 0.0 | |
| Asset impairment | -5.1 | 0.1 | | | | | | |
| Loss (gain) on sale of assets | | | | | 0.0 | 0.0 | 0.0 | |
| Interest expense | 0.6 | 1.2 | 0.6 | 0.3 | 1.7 | 0.4 | 0.0 | 0.0 |
| Interest expense | 0.6 | 1.2 | 0.6 | 0.3 | 1.7 | 0.4 | 0.0 | 0.0 |
| Other income (expense), net [+] | -5.2 | 0.2 | 0.0 | | 0.0 | 0.0 | -0.3 | -1.3 |
| Gain (loss) on investments | -0.1 | | | | | | | 0.0 |
| Other non-operating income | | | 0.0 | | | | | |
| Other | | | 0.0 | | | -0.4 | -0.3 | -1.4 |
| Pre-tax income | -13.4 | -19.2 | -2.9 | -2.2 | -2.6 | -5.7 | -1.5 | -4.2 |
| Income taxes | 0.0 | -1.9 | -1.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 |
| Tax rate | | 10.1% | 33.1% | 0.0% | 0.0% | 0.0% | | |
| Minority interest | | | | | | 0.0 | 0.1 | 0.0 |
| Earnings from continuing ops | -13.8 | -19.6 | -3.0 | -2.2 | -2.6 | -5.7 | -1.6 | -4.3 |
| Earnings from discontinued ops | 0.0 | 1.9 | 1.0 | | | | | |
| Net income | -13.8 | -17.6 | -2.0 | -2.2 | -2.6 | -5.7 | -1.6 | -4.3 |
| Net margin | -2662.9% | -4770.9% | -491.4% | -20.4% | -18.8% | -38.0% | -7.2% | -17.7% |
| |
| Basic EPS [+] | ($1.18) | ($4.12) | ($0.85) | ($0.62) | ($0.76) | ($0.08) | ($0.03) | ($0.08) |
| Growth | -71.3% | 383.2% | 38.2% | -18.8% | 808.0% | 168.5% | -62.4% | -526.5% |
| Diluted EPS [+] | ($1.18) | ($4.12) | ($0.85) | ($0.62) | ($0.76) | ($0.08) | ($0.03) | ($0.08) |
| Growth | -71.3% | 383.2% | 38.2% | -18.8% | 808.0% | 168.5% | -62.4% | -562.2% |
| |
| Dividends per share [+] | $0.03 | $0.08 | $0.02 | | | | | |
| Growth | -60.0% | 220.0% | | | | | | |
| |
| Shares outstanding (basic) [+] | 11.6 | 4.8 | 3.5 | 3.5 | 3.4 | 68.5 | 52.8 | 51.4 |
| Growth | 145.0% | 35.6% | 0.0% | 1.8% | -95.0% | 29.9% | 2.7% | 0.1% |
| Shares outstanding (diluted) [+] | 11.6 | 4.8 | 3.5 | 3.5 | 3.4 | 68.5 | 52.8 | 51.4 |
| Growth | 145.0% | 35.6% | 0.0% | 1.8% | -95.0% | 29.9% | 2.7% | -7.6% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |