| In millions, except per share items | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Electrical construction | 167.8 | 136.5 | 109.2 | | | 94.8 | | |
| Principal electrical construction operations | 165.3 | 129.0 | 100.6 | | | | | |
| Customer A | 48.8 | 39.9 | 38.3 | | | | | |
| Customer B | 26.3 | 22.1 | 16.9 | | | | | |
| Other | | | | | | 3.5 | | |
| Total revenues [+] | 180.6 | 138.1 | 114.0 | 130.4 | 120.6 | 98.4 | 89.2 | 81.6 |
| Other | | | | 4.7 | 1.0 | 3.5 | 0.4 | 1.2 |
| Revenue growth [+] | 30.8% | 21.2% | -12.6% | 8.2% | 22.6% | 10.3% | 9.3% | 148.6% |
| Electrical construction | 22.9% | 25.1% | | | | | | |
| Principal electrical construction operations | 28.1% | 28.2% | | | | | | |
| Customer A | 22.3% | 4.1% | | | | | | |
| Customer B | 19.0% | 30.6% | | | | | | |
| Cost of goods sold | 149.2 | 115.0 | 3.1 | 3.2 | 0.8 | 2.9 | 0.4 | 0.8 |
| Gross profit | 31.5 | 23.2 | 110.8 | 127.2 | 119.8 | 95.5 | 88.8 | 80.8 |
| Gross margin | 17.4% | 16.8% | 97.2% | 97.5% | 99.3% | 97.1% | 99.6% | 99.0% |
| Selling, general and administrative | 9.5 | 7.3 | 6.6 | 5.9 | 4.7 | 4.3 | 4.0 | 3.6 |
| Other operating expenses | | | 86.7 | 93.6 | 99.7 | 84.1 | 71.7 | 57.0 |
| EBITDA [+] | 22.0 | 15.8 | 17.5 | 27.7 | 15.3 | 7.1 | 13.1 | 20.3 |
| EBITDA growth | 39.1% | -9.5% | -36.9% | 80.9% | 115.2% | -45.8% | -35.4% | 410.6% |
| EBITDA margin | 12.2% | 11.5% | 15.3% | 21.2% | 12.7% | 7.2% | 14.7% | 24.9% |
| Depreciation and amortization | 10.8 | 8.4 | 7.2 | 6.3 | 6.6 | 6.1 | 5.0 | 3.6 |
| EBIT [+] | 11.2 | 7.4 | 10.3 | 21.4 | 8.8 | 1.1 | 8.2 | 16.8 |
| EBIT growth | 51.1% | -28.0% | -52.0% | 144.4% | 733.0% | -87.1% | -51.3% | 1329.1% |
| EBIT margin | 6.2% | 5.3% | 9.0% | 16.4% | 7.3% | 1.1% | 9.1% | 20.5% |
| Non-recurring items [+] | -0.1 | -0.2 | 0.1 | 0.0 | 0.0 | -0.3 | -0.1 | -0.3 |
| Loss (gain) on sale of assets | -0.1 | -0.2 | 0.1 | 0.0 | 0.0 | -0.3 | -0.1 | -0.3 |
| Interest expense, net [+] | 1.4 | 0.9 | 0.7 | 0.6 | 0.6 | 0.7 | 0.6 | 0.3 |
| Interest expense | 1.4 | 0.9 | 0.7 | 0.6 | 0.7 | 0.7 | 0.6 | 0.3 |
| Interest income | | | | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other income (expense), net [+] | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Other non-operating gains/losses | 0.0 | 0.0 | | | | | | |
| Other | 0.1 | 0.1 | 0.5 | 0.2 | 0.6 | 0.8 | 1.3 | 0.1 |
| Pre-tax income | 10.0 | 6.8 | 9.6 | 20.9 | 8.2 | 0.8 | 7.8 | 16.7 |
| Income taxes | 3.3 | 1.8 | 1.0 | 7.8 | 3.4 | 0.7 | 3.3 | 4.8 |
| Tax rate | 32.7% | 26.3% | 10.8% | 37.3% | 41.2% | 84.0% | 42.2% | 28.6% |
| Net income | 6.7 | 5.0 | 8.3 | 13.0 | 4.5 | -0.3 | 3.8 | 12.0 |
| Net margin | 3.7% | 3.6% | 7.3% | 10.0% | 3.7% | -0.3% | 4.2% | 14.7% |
| |
| Basic EPS [+] | $0.27 | $0.20 | $0.34 | $0.52 | $0.19 | $0.00 | $0.18 | $0.47 |
| Growth | 38.6% | -41.3% | -34.6% | 171.6% | 3770.0% | -97.2% | -62.3% | 1270.6% |
| Diluted EPS [+] | $0.27 | $0.20 | $0.34 | $0.52 | $0.19 | $0.00 | $0.18 | $0.47 |
| Growth | 38.6% | -41.3% | -34.6% | 171.6% | 3770.0% | -97.2% | -62.3% | 1270.6% |
| |
| Shares outstanding (basic) [+] | 24.5 | 25.4 | 25.5 | 25.5 | 25.5 | 25.5 | 25.5 | 25.5 |
| Growth | -3.5% | -0.2% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Shares outstanding (diluted) [+] | 24.5 | 25.4 | 25.5 | 25.5 | 25.5 | 25.5 | 25.5 | 25.5 |
| Growth | -3.5% | -0.2% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |