Annual report pursuant to Section 13 and 15(d)

QUARTERLY FINANCIAL DATA (UNAUDITED) (Details)

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QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Effect of Fourth Quarter Events [Line Items]                              
Revenues                         $ 120,065,361 $ 66,699,700 $ 30,850,248
Operating Income (Loss) $ (9,986,770) $ 9,615,030 $ 9,397,559 $ 10,935,120 $ 6,550,596 $ 4,292,081 $ 2,621,612 $ 2,502,852 $ 1,438,007 $ (9,121,201) $ (25,516,087) $ (23,833,480) 19,960,939 15,967,141 (57,032,761)
Net Income (Loss) $ (7,079,308) $ 5,693,628 $ 4,719,806 $ 5,665,634 $ (4,509,935) $ 3,073,760 $ 1,910,763 $ 1,279,281 $ (477,006) $ (5,944,137) $ (15,941,500) $ (15,275,044) $ 8,999,760 $ 1,753,869 $ (37,637,687)
Basic Net Income (Loss) Per Share $ (0.12) $ 0.09 $ 0.08 $ 0.10 $ (0.08) $ 0.06 $ 0.04 $ 0.03 $ (0.01) $ (0.14) $ (0.41) $ (0.50) $ 0.15 $ 0.03 $ (0.97)
Diluted Net Income (Loss) Per Share $ (0.12) $ 0.09 $ 0.08 $ 0.10 $ (0.08) $ 0.06 $ 0.04 $ 0.03 $ (0.01) $ (0.14) $ (0.41) $ (0.50) $ 0.15 $ 0.03 $ (0.97)
Oil and Gas [Member]                              
Effect of Fourth Quarter Events [Line Items]                              
Revenues $ 27,561,908 $ 32,687,179 $ 29,924,883 $ 29,891,391 $ 23,308,668 $ 16,643,930 $ 14,503,309 $ 12,243,793 $ 9,830,708 $ 7,822,543 $ 7,104,609 $ 6,092,388