Statements Of Cash Flows - USD ($)	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Operating Activities
Net income (loss)	$ 20,409,272	$ (6,217,237)	$ (23,952,037)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion and amortization	7,278,118	7,745,804	11,313,783
Impairment of producing properties	14,565	50,475	29,904,528
Provision for deferred income taxes	1,242,000	(985,101)	(4,647,000)
Gain from leasing fee mineral acreage	(466,341)	(421,915)	(685,927)
Proceeds from leasing fee mineral acreage	688,207	441,653	701,948
Net (gain) loss on sales of assets	(4,423,646)	(309,348)	(3,973,321)
ESOP contribution expense			103,104
Directors' deferred compensation expense	191,852	234,466	228,408
Total (gain) loss on derivative contracts	16,833,078	16,202,489	(907,419)
Cash receipts (payments) on settled derivative contracts	(2,796,250)	(11,925,669)	4,109,210
Restricted stock awards	2,211,673	801,200	743,897
Loss on debt extinguishment		260,236
Other	87,353	(11,099)	(2,611)
Cash provided (used) by changes in assets and liabilities:
Natural gas, oil and NGL sales receivables	(6,723,292)	(3,485,762)	1,434,426
Refundable (payable) income taxes	2,413,942	1,391,285	(2,299,785)
Other current assets	250,568	(436,401)	(89,931)
Accounts payable	(10,305)	(151,875)	1,308,731
Other non-current assets	(380,964)	(86,282)	(1,044,680)
Income taxes payable	161,808
Accrued liabilities	550,012	845,168	(1,139,029)
Total adjustments	17,122,378	10,159,324	35,058,332
Net cash provided by operating activities	37,531,650	3,942,087	11,106,295
Investing Activities
Capital expenditures	(552,638)	(733,172)	(403,136)
Acquisition of minerals and overriding royalty interests	(43,525,236)	(20,624,347)	(10,288,250)
Net proceeds from sales of assets	13,217,844	988,600	4,228,868
Net cash provided (used) by investing activities	(30,860,030)	(20,368,919)	(6,462,518)
Financing Activities
Borrowings under Credit Facility	21,300,000	26,300,000	6,061,725
Payments of loan principal	(10,500,000)	(37,550,000)	(12,736,725)
Net proceeds from equity issuance	5,006,538	11,688,137	8,220,726
Cash receipts from (payments on) off-market derivative contracts	(19,260,104)	8,800,000
Purchases of treasury stock	(1,855)	(2,741)	(7,635)
Payments of dividends	(2,257,901)	(1,060,448)	(1,652,164)
Net cash provided (used) by financing activities	(5,713,322)	8,174,948	(114,073)
Increase (decrease) in cash and cash equivalents	958,298	(8,251,884)	4,529,704
Cash and cash equivalents at beginning of year	2,438,511	10,690,395	6,160,691
Cash and cash equivalents at end of year	3,396,809	2,438,511	10,690,395
Supplemental Disclosures of Cash Flow Information
Interest paid (net of capitalized interest)	997,085	1,021,142	1,306,967
Income taxes paid (net of refunds received)	384,249	(1,391,225)	(1,342,275)
Supplemental schedule of noncash investing and financing activities:
Additions and revisions, net, to asset retirement obligations			4
Gross additions to properties and equipment	46,791,346	31,485,015	10,701,284
Value of shares used for acquisitions	(3,510,001)	(10,272,288)
Net (increase) decrease in accounts payable for properties and equipment additions	796,529	144,792	(9,898)
Capital expenditures and acquisitions	$ 44,077,874	$ 21,357,519	$ 10,691,386