| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues | 82.9 | 21.5 | 23.5 | 20.3 | 18.8 | 86.5 | 86.2 | 76.0 |
| Revenues growth | 286.0% | -8.5% | 15.5% | 8.0% | -78.2% | 0.3% | 13.4% | 25.4% |
| Cost of revenues | 78.6 | 19.6 | 17.7 | 17.8 | 12.9 | 54.2 | 53.9 | 47.5 |
| Gross profit | 4.3 | 1.9 | 5.8 | 2.6 | 5.9 | 32.3 | 32.3 | 28.6 |
| Gross margin | 5.2% | 8.9% | 24.7% | 12.6% | 31.5% | 37.3% | 37.4% | 37.5% |
| |
| Operating expenses: | | | | | | | | |
| Selling, general and administrative expense | 50.0 | 19.0 | 20.1 | 18.6 | 17.5 | 34.2 | 33.0 | 25.9 |
| Depreciation and amortization | 6.8 | 3.3 | 1.5 | 1.5 | 1.4 | 2.4 | 2.9 | 4.2 |
| Provision for (recovery of) bad debt | 0.3 | 1.6 | 0.1 | 0.0 | 0.0 | 0.1 | 0.2 | 0.0 |
| Other operating income | 0.0 | 0.0 | 0.0 | | 0.0 | 0.1 | 0.1 | |
| Total operating expenses | 57.1 | 24.0 | 21.9 | 24.7 | 44.5 | 38.8 | 38.0 | 31.4 |
| Loss from operations | -52.8 | -22.0 | -16.0 | -22.1 | -16.3 | -6.5 | -5.7 | -2.9 |
| Operating margin | -63.6% | -102.5% | -68.3% | -108.8% | -86.5% | -7.5% | -6.6% | -3.8% |
| Other income (expense) | 0.8 | 1.0 | 0.6 | -0.3 | 0.3 | -0.3 | -0.3 | -0.1 |
| Interest expense | -8.3 | -1.3 | -0.1 | -0.2 | -0.2 | -0.5 | -0.4 | -0.5 |
| Loss from continuing operations before income taxes | -60.4 | -27.2 | -16.6 | -22.7 | -16.2 | -7.2 | -6.4 | -3.5 |
| Income Tax Expense (Benefit) | -10.5 | -1.5 | -3.0 | -1.3 | -2.3 | 0.0 | -0.4 | -0.7 |
| |
| Discontinued operations (Note 3) | | | | | | | | |
| Loss from discontinued operations, net of income taxes | -11.4 | -1.7 | 12.5 | 4.0 | 1.4 | | | |
| Net loss | -61.2 | -27.4 | | | | | | |
| Net loss attributable to Orbital Infrastructure Group, Inc. | -61.3 | -27.4 | -1.1 | -17.3 | -12.6 | -7.3 | -6.0 | -2.8 |
| |
| Basic and diluted weighted average common shares outstanding (in shares) | 58.3 | 29.9 | 28.7 | 28.5 | 22.4 | 20.9 | 20.8 | 20.7 |
| Loss from continuing operations per common share - basic and diluted | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | | |
| Loss from discontinued operations per common share - basic and diluted | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | | |
| |
| Loss per common share - basic and diluted (in dollars per share) | ($1.05) | ($0.92) | ($0.04) | ($0.61) | ($0.56) | ($0.35) | ($0.29) | ($0.14) |