Condensed Statements Of Cash Flows - USD ($)	9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating Activities
Net income (loss)	$ 11,250,804	$ (2,453,037)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion and amortization	5,727,708	6,176,173
Impairment of producing properties	11,862	45,855
Provision for deferred income taxes	207,000	(1,117,000)
Gain from leasing fee mineral acreage	(449,053)	(316,541)
Proceeds from leasing fee mineral acreage	545,920	334,938
Net (gain) loss on sales of assets	(865,035)	(136,596)
Directors' deferred compensation expense	147,298	167,425
Total (gain) loss on derivative contracts	12,534,464	8,089,662
Cash receipts (payments) on settled derivative contracts	(1,215,245)	(688,807)
Restricted stock awards	1,219,047	542,674
Other	55,653	72,126
Cash provided (used) by changes in assets and liabilities:
Natural gas, oil and NGL sales receivables	(5,351,575)	(2,134,395)
Other current assets	(78,262)	(89,957)
Accounts payable	(251,059)	209,014
Income taxes receivable	1,553,526	1,425,471
Other non-current assets	(393,492)	87,065
Income taxes payable	(334,050)
Accrued liabilities	23,463	26,263
Total adjustments	13,088,170	12,693,370
Net cash provided by operating activities	24,338,974	10,240,333
Investing Activities
Capital expenditures	(351,524)	(696,759)
Acquisition of minerals and overriding royalty interests	(29,872,407)	(19,337,265)
Net proceeds from sales of assets	7,852,389	533,371
Net cash provided (used) by investing activities	(22,371,542)	(19,500,653)
Financing Activities
Borrowings under Credit Facility	14,300,000
Payments of loan principal	(3,500,000)	(8,850,000)
Net proceeds from equity issuance	4,670,112	11,088,858
Cash receipts from (payments on) off-market derivative contracts	(13,845,596)
Purchases of treasury stock		(2,741)
Payments of dividends	(1,541,177)	(757,692)
Net cash provided (used) by financing activities	83,339	1,478,425
Increase (decrease) in cash and cash equivalents	2,050,771	(7,781,895)
Cash and cash equivalents at beginning of period	2,438,511	10,690,395
Cash and cash equivalents at end of period	4,489,282	2,908,500
Supplemental Schedule of Noncash Investing and Financing Activities:
Gross additions to properties and equipment	33,431,875	23,794,178
Value of shares used for acquisitions	(3,510,001)	(3,718,000)
Net (increase) decrease in accounts payable for properties and equipment additions	302,057	(42,154)
Capital expenditures and acquisitions	$ 30,223,931	$ 20,034,024