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Quarterly Operations Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
First Quarter Details |  |  |
First Quarter Revenue | $ 219 | $ 172 | $ 344
First Quarter Operating (expense) | (396) | (470) | (483)
First Quarter Corporate general and administrative expense | (166) | (154) | (192)
First Quarter Gain on prepayment of debt | 0 | 0 | 0
First Quarter Impairment of natural gas and oil properties | 0 | 0 | 0
First Quarter Recovery of bad debt | 0 | 738 | 0
First Quarter Other income (expense) net | (10) | (34) | 202
First Quarter Net income (loss) from continuing operations | (353) | 252 | (129)
First Quarter Net income (loss) from discontinued operations | 57 | 62 | 89
First Quarter Income (loss) allocable to common shareholders | $ (296) | $ 314 | $ (40)
First Quarter Income (loss) per common share - basic | $ (0.15) | $ 0.16 | $ (0.02)
Second Quarter Details |  |  |
Second Quarter Revenue | $ 170 | $ 259 | $ 485
Second Quarter Operating (expense) | (233) | (440) | (425)
Second Quarter Corporate general and administrative expense | (101) | (155) | (205)
Second Quarter Gain on prepayment of debt | 0 | 0 | 0
Second Quarter Impairment of natural gas and oil properties | 0 | 0 | 0
Second Quarter Recovery of bad debt | 0 | 386 | 0
Second Quarter Other income (expense) net | (7) | (24) | (54)
Second Quarter Net income (loss) from continuing operations | (171) | 26 | (199)
Second Quarter Net income (loss) from discontinued operations | 38 | 84 | 100
Second Quarter Income (loss) allocable to common shareholders | $ (133) | $ 110 | $ (99)
Second Quarter Income (loss) per common share - basic | $ (0.07) | $ 0.06 | $ (0.05)
Third Quarter Details |  |  |
Third Quarter Revenue | $ 190 | $ 232 | $ 410
Third Quarter Operating (expense) | (295) | (527) | (447)
Third Quarter Corporate general and administrative expense | (52) | (176) | (208)
Third Quarter Gain on prepayment of debt | 0 | 0 | 0
Third Quarter Impairment of natural gas and oil properties | 0 | 0 | 0
Third Quarter Recovery of bad debt | 0 | 306 | 0
Third Quarter Other income (expense) net | (13) | (14) | (40)
Third Quarter Net income (loss) from continuing operations | (170) | (179) | (285)
Third Quarter Net income (loss) from discontinued operations | 6 | 104 | 81
Third Quarter Income (loss) allocable to common shareholders | $ (164) | $ (75) | $ (204)
Third Quarter Income (loss) per common share - basic | $ (0.08) | $ (0.04) | $ (0.10)
Fourth Quarter Details |  |  |
Fourth Quarter Revenue | $ 185 | $ 157 | $ 250
Fourth Quarter Operating (expense) | (327) | (363) | (502)
Fourth Quarter Corporate general and administrative expense | (33) | (120) | (218)
Fourth Quarter Gain on prepayment of debt | 888 | 0 | 0
Fourth Quarter Impairment of natural gas and oil properties | 0 | (2,717) | 0
Fourth Quarter Recovery of bad debt | 0 | 0 | 0
Fourth Quarter Gain on sale of land | 50 | 0 | 0
Fourth Quarter Other income (expense) net | (80) | (10) | 3
Fourth Quarter Net income (loss) from continuing operations | 738 | (3,053) | (463)
Fourth Quarter Net income (loss) from discontinued operations | (97) | 82 | 27
Fourth Quarter Income (loss) allocable to common shareholders | $ 641 | $ (2,971) | $ (436)
Fourth Quarter Income (loss) per common share - basic | $ 0.31 | $ (1.53) | $ (0.23)

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