| 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 | 56.7 | 53.0 | 38.6 | 32.8 | 21.5 | 12.5 | 7.4 | 7.0 |
| Revenue growth | 6.9% | 37.4% | 17.8% | 52.5% | 72.6% | 67.5% | 6.2% | 92.6% |
| Cost of goods sold [+] | 9.1 | 6.1 | 3.4 | 3.7 | 2.7 | 2.6 | 1.9 | 2.8 |
| Cost of technology services | | | | | | | 0.9 | 1.4 |
| Maintenance and operations costs | 4.8 | 3.8 | 2.9 | 2.5 | 2.1 | | | |
| Gross profit | 47.6 | 46.9 | 35.2 | 29.1 | 18.8 | 9.9 | 5.6 | 4.2 |
| Gross margin | 84.0% | 88.5% | 91.3% | 88.8% | 87.4% | 79.5% | 74.8% | 59.3% |
| Selling, general and administrative [+] | 30.4 | 23.7 | 16.3 | 15.9 | 11.4 | 8.9 | 6.9 | 11.1 |
| Sales and marketing | 17.7 | 14.4 | 9.9 | 9.0 | 7.2 | 5.1 | 3.8 | 6.3 |
| General and administrative | 12.7 | 9.2 | 6.4 | 7.0 | 4.2 | 3.8 | 3.0 | 4.9 |
| Research and development | | | | | | | | |
| Other operating expenses | | 3.8 | 2.9 | 2.5 | 2.1 | 1.8 | 0.9 | 1.4 |
| EBITDA [+] | 17.8 | 20.1 | 16.5 | 11.3 | 5.8 | -0.3 | -1.7 | -8.1 |
| EBITDA growth | -11.4% | 21.4% | 45.8% | 94.0% | -2088.1% | -82.8% | -78.9% | 95.5% |
| EBITDA margin | 31.4% | 37.9% | 42.8% | 34.6% | 27.2% | -2.4% | -23.0% | -115.8% |
| Depreciation and amortization | 0.6 | 0.6 | 0.6 | 0.6 | 0.5 | 0.6 | 0.5 | 0.3 |
| EBIT [+] | 17.2 | 19.4 | 16.0 | 10.7 | 5.3 | -0.9 | -2.2 | -8.4 |
| EBIT growth | -11.5% | 21.8% | 49.1% | 100.4% | -726.3% | -60.5% | -74.4% | 93.9% |
| EBIT margin | 30.3% | 36.7% | 41.3% | 32.7% | 24.9% | -6.9% | -29.0% | -120.3% |
| Interest income, net [+] | 0.5 | 0.0 | 0.0 | 0.0 | -0.1 | 0.0 | 0.1 | -0.1 |
| Interest expense | | | | | 0.1 | 0.0 | -0.1 | 0.1 |
| Interest income | 0.5 | 0.0 | 0.0 | 0.0 | | | | |
| Other income (expense), net [+] | 0.0 | | 0.5 | 0.0 | -0.2 | -0.7 | -0.5 | 0.0 |
| Gain (loss) on debt retirement | | | | | | -0.2 | | |
| Other non-ooperating expenses | | | | 0.0 | 0.0 | 0.0 | 0.0 | |
| Other | 0.0 | | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Pre-tax income | 17.7 | 19.5 | 16.5 | 10.7 | 5.0 | -1.5 | -2.5 | -8.5 |
| Income taxes | 3.4 | 2.2 | 2.5 | -4.4 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | 19.0% | 11.5% | 15.0% | | 0.5% | | | |
| Net income | 14.3 | 17.2 | 14.0 | 15.1 | 5.0 | -1.5 | -2.6 | -8.5 |
| Net margin | 25.3% | 32.5% | 36.3% | 46.0% | 23.3% | -12.1% | -34.4% | -121.4% |
| |
| Basic EPS [+] | $2.13 | $2.56 | $2.13 | $2.34 | $0.82 | ($0.28) | ($0.50) | ($1.72) |
| Growth | -16.8% | 20.3% | -9.2% | 184.0% | -395.2% | -44.0% | -71.1% | 56.8% |
| Diluted EPS [+] | $1.79 | $2.12 | $1.74 | $1.88 | $0.66 | ($0.28) | ($0.50) | ($1.72) |
| Growth | -15.4% | 21.9% | -7.6% | 185.8% | -335.3% | -44.0% | -71.1% | 56.8% |
| |
| Shares outstanding (basic) [+] | 6.7 | 6.7 | 6.6 | 6.4 | 6.1 | 5.4 | 5.1 | 4.9 |
| Growth | -0.1% | 2.2% | 2.2% | 5.9% | 12.5% | 5.5% | 3.9% | 20.0% |
| Shares outstanding (diluted) [+] | 8.0 | 8.1 | 8.1 | 8.0 | 7.6 | 5.4 | 5.1 | 4.9 |
| Growth | -1.7% | 0.9% | 0.5% | 5.2% | 41.1% | 5.5% | 3.9% | 20.0% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |