Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 2,357,201	$ 3,445,538
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	432,134	458,878
Accretion expense	214,900	246,500
Gain on disposal of property and equipment	(37,700)	(635,165)
Gain on sale of other assets		(8,960)
Changes in assets and liabilities:
Production accounts receivable	615,805	100,003
Other current assets	56,531	16,575
Other assets	(1,232)	700
Accounts payable	282,579	(101,028)
Accrued expenses	(350,536)	(288,794)
Operational advances	302,266	508,330
Total adjustments	1,514,747	297,039
Net cash provided by operating activities	3,871,948	3,742,577
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of investments	(2,940,369)	(3,762,150)
Payments received on receivables from employees		46,407
Proceeds from disposal of property and equipment	34,000	37,500
Proceeds from sale of other assets		8,960
Purchase of property and equipment	(113,457)
Net cash used in investing activities	(3,019,826)	(3,669,283)
CASH FLOWS FROM FINANCING ACTIVITIES
Distributions	(1,684,936)
Repurchase of Units	(129,582)	(7,509)
Proceeds from options exercised	45,000	3,300
Net cash used in financing activities	(1,769,518)	(4,209)
NET CHANGE IN CASH AND EQUIVALENTS	(917,396)	69,085
CASH AND EQUIVALENTS - BEGINNING OF PERIOD	12,566,868	11,883,725
CASH AND EQUIVALENTS - END OF PERIOD	11,649,472	11,952,810
Supplemental disclosures of cash flow information:
Cash paid during the period for income taxes	$ 11,135	$ 3,600