Statements Of Cash Flows - USD ($)	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2019
Operating Activities
Net income (loss)	$ (6,217,237)	$ (23,952,037)	$ (40,744,938)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion and amortization	7,745,804	11,313,783	18,196,583
Impairment of producing properties	50,475	29,904,528	76,824,337
Provision for deferred income taxes	(985,101)	(4,647,000)	(12,112,000)
Gain from leasing fee mineral acreage	(421,915)	(685,927)	(1,546,298)
Proceeds from leasing fee mineral acreage	441,653	701,948	1,565,649
Net (gain) loss on sales of assets	(309,348)	(3,973,321)	(18,730,197)
ESOP contribution expense		103,104	372,274
Directors' deferred compensation expense	234,466	228,408	272,491
Total (gain) loss on derivative contracts	16,202,489	(907,419)	(6,105,145)
Cash receipts (payments) on settled derivative contracts	(11,925,669)	4,109,210	196,985
Restricted stock awards	801,200	743,897	771,797
Loss on debt extinguishment	260,236
Other	(11,099)	(2,611)	19,085
Cash provided (used) by changes in assets and liabilities:
Natural gas, oil and NGL sales receivables	(3,485,762)	1,434,426	2,723,983
Refundable income taxes	1,391,285	(2,299,785)	(1,472,277)
Other current assets	(436,401)	(89,931)	21,116
Accounts payable	(151,875)	1,308,731	105,217
Other non-current assets	(86,282)	(1,044,680)	7,166
Accrued liabilities	845,168	(1,139,029)	639,856
Total adjustments	10,159,324	35,058,332	61,750,622
Net cash provided by operating activities	3,942,087	11,106,295	21,005,684
Investing Activities
Capital expenditures	(733,172)	(403,136)	(3,526,007)
Acquisition of minerals and overriding royalty interests	(20,624,347)	(10,288,250)	(5,662,869)
Investments in partnerships			(1,648)
Proceeds from sales of assets	988,600	4,228,868	19,515,735
Net cash provided (used) by investing activities	(20,368,919)	(6,462,518)	10,325,211
Financing Activities
Borrowings under Credit Facility	26,300,000	6,061,725	16,642,481
Payments of loan principal	(37,550,000)	(12,736,725)	(32,217,481)
Net proceeds from equity issuance	11,688,137	8,220,726
Cash receipts from (payments on) off-market derivative contracts	8,800,000
Purchases of treasury stock	(2,741)	(7,635)	(7,454,000)
Payments of dividends	(1,060,448)	(1,652,164)	(2,673,706)
Net cash provided (used) by financing activities	8,174,948	(114,073)	(25,702,706)
Increase (decrease) in cash and cash equivalents	(8,251,884)	4,529,704	5,628,189
Cash and cash equivalents at beginning of year	10,690,395	6,160,691	532,502
Cash and cash equivalents at end of year	2,438,511	10,690,395	6,160,691
Supplemental Disclosures of Cash Flow Information
Interest paid (net of capitalized interest)	1,021,142	1,306,967	2,031,762
Income taxes paid (net of refunds received)	(1,391,225)	(1,342,275)	103,279
Supplemental schedule of noncash investing and financing activities:
Additions and revisions, net, to asset retirement obligations		4	27,782
Gross additions to properties and equipment	31,485,015	10,701,284	9,248,415
Equity offering used for acquisitions	(10,272,288)
Net (increase) decrease in accounts payable for properties and equipment additions	144,792	(9,898)	(59,539)
Capital expenditures, including dry hole costs	$ 21,357,519	$ 10,691,386	$ 9,188,876