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QUARTERLY FINANCIAL DATA (Unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]                      
Oil and gas sales $ 81 $ 1,867 $ 1,996 $ 1,066 $ 1,710 $ 2,622 $ 3,285 $ 2,679 $ 4,689 $ 9,047 $ 28,331
Operating expenses:                      
Impairment of oil and gas properties (2,611) (6,957) (13,782) (21,446) (3,208) (19,240) 9,568 57,676
Other [1] 276 (2,761) (3,061) (2,561) (4,710) (5,534) (5,266) (6,174)      
Operating income (loss) 1,093 [1] (894) [1] (3,676) [1] (8,452) [1] (16,782) [1] (24,358) [1] (5,189) [1] (22,735) [1] (11,929) (69,064) 620
Income (loss) from continuing operations 107 [1] (265) [1] (4,206) [1] (8,275) [1] (16,038) [1] (22,785) [1] (5,542) [1] (22,919) [1] (11,672) (67,284) 1,017
Discontinued operations (111) (10) (2,327) (23,224) (866) (738) (784) (2,448) (25,612) (3,108)
Net income (loss) $ 963 $ (265) $ (4,216) $ (10,602) $ (39,262) $ (23,651) $ (6,280) $ (23,703) $ (14,120) $ (92,896) $ (2,091)
Income (loss) per share - basic:                      
Continuing operations (in dollars per share) $ 0.23 [1],[2] $ (0.06) [1],[2] $ (0.89) [1],[2] $ (1.76) [1],[2] $ (3.42) [1],[2] $ (4.87) [1],[2] $ (1.19) [1],[2] $ (4.90) [1],[2] $ (2.50) $ (14.38) $ 0.04
Discontinued operations (in dollars per share) [1],[2] [1],[2] (0.00) [1],[2] (0.49) [1],[2] (4.96) [1],[2] (0.19) [1],[2] (0.16) [1],[2] (0.17) [1],[2] (0.51) (5.48) (0.12)
Total (in dollars per share) 0.23 (0.06) (0.89) (2.25) (8.38) (5.06) (1.34) (5.07) $ (3.01) $ (19.86) $ (0.08)
Income (loss) per share - diluted:                      
Continuing operations (in dollars per share) [1],[2] 0.23 (0.06) (0.89) (1.76) (3.42) (4.87) (1.19) (4.90)      
Discontinued operations (in dollars per share) [1],[2] (0.00) (0.49) (4.96) (0.19) (0.16) (0.17)      
Total (in dollars per share) $ 0.23 $ (0.06) $ (0.89) $ (2.25) $ (8.38) $ (5.06) $ (1.35) $ (5.07)      
Weighted average shares outstanding:                      
Basic (in shares) 4,768,013 4,768,000 4,705,000 4,705,500 4,685,167 4,675,167 4,674,667 4,674,667 4,768,013 4,677,500 4,638,833
Diluted (in shares) 4,768,013 [1] 4,768,000 [1] 4,705,000 [1] 4,705,500 [1] 4,685,167 [1] 4,675,167 [1] 4,674,667 [1] 4,674,666 [1] 4,768,013 4,677,500 4,683,167
[1] Amounts have been restated from amounts reported in previous reports to retroactively present the impact of Discontinued Operations as discuss further in Note 6.
[2] Earnings per share amounts may not sum due to rounding.