Condensed Statements Of Cash Flows - USD ($)	9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating Activities
Net income (loss)	$ (2,453,037)	$ (22,117,915)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion and amortization	6,176,173	8,793,787
Impairment of producing properties	45,855	29,904,528
Provision for deferred income taxes	(1,117,000)	(6,158,000)
Gain from leasing fee mineral acreage	(316,541)	(567,975)
Proceeds from leasing fee mineral acreage	334,938	582,458
Net (gain) loss on sales of assets	(136,596)	(3,258,994)
Directors' deferred compensation expense	167,425	184,188
Total (gain) loss on derivative contracts	8,089,662	(2,415,401)
Cash receipts (payments) on settled derivative contracts	(688,807)	3,230,034
Restricted stock awards	542,674	619,812
Other	72,126	3,718
Cash provided (used) by changes in assets and liabilities:
Natural gas, oil and NGL sales receivables	(2,134,395)	2,194,430
Other current assets	(89,957)	(121,635)
Accounts payable	209,014	31,755
Income taxes receivable	1,425,471	(134,908)
Other non-current assets	87,065	6,544
Accrued liabilities	26,263	(950,686)
Total adjustments	12,693,370	31,943,655
Net cash provided by operating activities	10,240,333	9,825,740
Investing Activities
Capital expenditures	(696,759)	(196,168)
Acquisition of minerals and overriding royalty interests	(19,337,265)	(10,304,016)
Proceeds from sales of assets	533,371	3,457,500
Net cash provided (used) by investing activities	(19,500,653)	(7,042,684)
Financing Activities
Borrowings under Credit Facility		6,061,725
Payments of loan principal	(8,850,000)	(11,486,725)
Net proceeds from equity issuance	11,088,858
Purchases of treasury stock	(2,741)	(7,635)
Payments of dividends	(757,692)	(1,486,031)
Net cash provided (used) by financing activities	1,478,425	(6,918,666)
Increase (decrease) in cash and cash equivalents	(7,781,895)	(4,135,610)
Cash and cash equivalents at beginning of period	10,690,395	6,160,691
Cash and cash equivalents at end of period	2,908,500	2,025,081
Supplemental Schedule of Noncash Investing and Financing Activities:
Additions to asset retirement obligations		4
Gross additions to properties and equipment	23,794,178	10,335,534
Equity offering used for acquisitions	(3,718,000)
Net (increase) decrease in accounts payable for properties and equipment additions	(42,154)	164,650
Capital expenditures and acquisitions	$ 20,034,024	$ 10,500,184