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RESTATEMENT OF PREVIOUSLY FILED FINANCIAL INFORMATION - ACQUISITIONS - The operations of the Company as if the acquisition of assets (Details) - USD ($)	3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018
RESTATEMENT OF PREVIOUSLY FILED FINANCIAL INFORMATION
Oil and Gas Revenues	$ 57,004,519	$ 57,999,639	$ 48,463,729	$ 51,167,164	$ 48,490,870	$ 42,759,403	$ 99,797,954	$ 91,250,272	$ 150,137,059	$ 142,417,436
Net Income (Loss)	$ 9,948,798	$ 12,435,698	$ 11,379,247	$ 14,004,402	$ 12,990,504	$ 10,939,149	$ 23,525,139	$ 24,721,646	$ 33,413,495	$ 38,125,515
Basic Earnings (Loss) per Share	$ 0.15	$ 0.18	$ 0.17	$ 0.23	$ 0.21	$ 0.18	$ 0.35	$ 0.41	$ 0.49	$ 0.63	$ 0.44	$ 0.49
Diluted Earnings (Loss) per Share	$ 0.15	$ 0.18	$ 0.17	$ 0.22	$ 0.21	$ 0.17	$ 0.34	$ 0.40	$ 0.49	$ 0.61	$ 0.44	$ 0.48

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
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