| In millions, except per share items | Dec-31-17 | Sep-30-17 | Jun-30-17 | Mar-31-17 | Dec-31-16 | Sep-30-16 | Jun-30-16 | Mar-31-16 |
| | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Total revenues [+] | 21.7 | 33.6 | 14.6 | 31.3 | 21.1 | 28.6 | 23.2 | 4.9 |
| Oil & gas sales | 21.7 | 33.6 | 14.6 | 31.3 | 21.1 | 28.6 | 23.2 | 4.9 |
| Revenue growth | 2.6% | 17.6% | -36.8% | 534.6% | -46.9% | -0.2% | | |
| Cost of goods sold [+] | 20.7 | 22.4 | 14.6 | 22.6 | 32.9 | 24.9 | 22.1 | 22.6 |
| Lease costs | 21.4 | | | | 25.0 | | | |
| Oil & gas services costs | -0.7 | | | | | | | |
| Gross profit | 1.0 | 11.3 | 0.0 | 8.7 | -11.7 | 3.7 | 1.0 | -17.6 |
| Gross margin | 4.7% | 33.5% | -0.1% | 27.9% | -55.6% | 12.9% | 4.4% | -357.8% |
| Selling, general and administrative [+] | 2.0 | 2.4 | 3.3 | 3.4 | 2.8 | 3.6 | 3.4 | 4.0 |
| General and administrative | 2.0 | | | | 2.8 | | | |
| Other selling, general and administrative | | | | | | | | |
| Other operating expenses [+] | 5.3 | 18.9 | 9.4 | 30.4 | 44.5 | 21.9 | 24.8 | 6.7 |
| Exploration expenses | 0.9 | 1.3 | 0.8 | 1.6 | 34.3 | 1.7 | 1.2 | 2.1 |
| EBITDA [+] | -1.2 | 3.1 | -0.9 | 0.3 | -39.6 | -2.9 | -12.3 | -23.5 |
| EBITDA growth | -97.1% | -205.5% | -92.7% | -101.4% | 284.0% | -71.5% | 116.6% | -26.4% |
| EBITDA margin | -5.3% | 9.1% | -6.1% | 1.0% | -187.4% | -10.1% | -53.3% | -476.4% |
| Depreciation and amortization | 5.1 | 13.1 | 11.8 | 25.4 | 19.5 | 18.9 | 14.9 | 4.8 |
| EBIT [+] | -6.3 | -10.0 | -12.7 | -25.1 | -59.0 | -21.8 | -27.2 | -28.3 |
| EBIT growth | -89.4% | -54.1% | -53.5% | -11.3% | -7.7% | -59.2% | 367.3% | -11.7% |
| EBIT margin | -28.9% | -29.7% | -86.5% | -80.2% | -279.6% | -76.2% | -117.5% | -574.0% |
| Non-recurring items [+] | 0.0 | 0.0 | 78.7 | | 0.6 | | | |
| Asset impairment | | | 78.7 | | | | | |
| Loss (gain) on sale of assets | 0.0 | | | | | | | |
| Interest expense | 6.8 | 6.0 | 12.9 | 4.0 | 5.5 | 5.0 | 7.7 | 5.4 |
| Interest expense | 6.8 | 6.0 | 12.9 | 4.0 | 5.5 | 5.0 | 7.7 | 5.4 |
| Other income (expense), net [+] | 0.2 | 1.5 | 5.6 | 2.1 | 1.1 | 3.3 | 12.3 | 0.9 |
| Gain (loss) on sale of assets | -2.3 | | -0.1 | | | | | |
| Unrealized gain/loss on derivatives | 0.0 | 0.0 | | | | | | |
| Gain (loss) on foreign currency transactions | 0.2 | 1.5 | 1.4 | 2.1 | 1.1 | 3.3 | 10.5 | 0.9 |
| Pre-tax income | -12.9 | -14.5 | -98.7 | -26.9 | -64.1 | -23.6 | -22.7 | -32.9 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Minority interest | 1.9 | -0.4 | -0.1 | -0.4 | 1.5 | -0.1 | -0.1 | -0.4 |
| Net income | -12.8 | -14.1 | -98.6 | -26.5 | -63.9 | -23.5 | -22.6 | -32.4 |
| Net margin | -58.9% | -41.8% | -673.9% | -84.7% | -302.8% | -82.0% | -97.5% | -657.6% |
| |
| Basic EPS [+] | ($0.06) | ($0.07) | ($0.46) | ($0.12) | ($0.30) | ($0.11) | ($0.11) | ($0.15) |
| Growth | -80.2% | -40.4% | 334.6% | -18.6% | -80.7% | -60.2% | 145.0% | -2.6% |
| Diluted EPS [+] | ($0.06) | ($0.07) | ($0.46) | ($0.12) | ($0.30) | ($0.11) | ($0.11) | ($0.15) |
| Growth | -80.2% | -40.4% | 334.6% | -18.6% | -80.7% | -60.2% | 145.0% | -2.6% |
| |
| Shares outstanding (basic) [+] | 213.7 | 213.7 | 213.3 | 212.8 | 212.3 | 212.5 | 212.3 | 211.8 |
| Growth | 0.7% | 0.6% | 0.5% | 0.5% | 0.3% | 0.5% | 0.6% | 0.7% |
| Shares outstanding (diluted) [+] | 213.7 | 213.7 | 213.3 | 212.8 | 212.3 | 212.5 | 212.3 | 211.8 |
| Growth | 0.7% | 0.6% | 0.5% | 0.5% | 0.3% | 0.5% | 0.6% | 0.7% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |