Condensed Statements Of Cash Flows - USD ($)	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating Activities
Net income (loss)	$ 6,682,249	$ (596,720)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion and amortization	1,583,760	2,260,649
Impairment of producing properties	5,585
Provision for deferred income taxes	366,000	(69,000)
Gain from leasing fee mineral acreage	(78,922)	(232)
Proceeds from leasing fee mineral acreage	95,039	232
Net (gain) loss on sales of assets	2,163,359	(30,862)
Directors' deferred compensation expense	67,570	44,527
Total (gain) loss on derivative contracts	(2,836,168)	254,036
Cash receipts (payments) on settled derivative contracts		613,314
Restricted stock awards	255,844	122,978
Other	37,138	14,387
Cash provided (used) by changes in assets and liabilities:
Natural gas, oil and NGL sales receivables	(1,591,085)	(813,167)
Other current assets	(325,780)	(676,620)
Accounts payable	(95,649)	(398,556)
Income taxes receivable	2,413,942	(12,545)
Other non-current assets	10,253	30,958
Income taxes payable	165,889
Accrued liabilities	(281,034)	(271,998)
Total adjustments	1,955,741	1,068,101
Net cash provided by operating activities	8,637,990	471,381
Investing Activities
Capital expenditures	(192,677)	(128,083)
Acquisition of minerals and overriding royalty interests	(11,643,827)	(7,869,746)
Net proceeds from sales of assets	4,586,492
Net cash provided (used) by investing activities	(7,250,012)	(7,997,829)
Financing Activities
Borrowings under Credit Facility	4,000,000
Payments of loan principal	(1,500,000)	(1,750,000)
Net proceeds from equity issuance	(32,507)	(24,242)
Cash receipts from (payments on) off-market derivative contracts	(4,402,422)
Payments of dividends	(332,210)	(225,887)
Net cash provided (used) by financing activities	(2,267,139)	(2,000,129)
Increase (decrease) in cash and cash equivalents	(879,161)	(9,526,577)
Cash and cash equivalents at beginning of period	2,438,511	10,690,395
Cash and cash equivalents at end of period	1,559,350	1,163,818
Supplemental Schedule of Noncash Investing and Financing Activities:
Dividends declared and unpaid	517,479	229,049
Gross additions to properties and equipment	15,183,829	7,986,350
Equity offering used for acquisitions	(3,510,001)	(250,000)
Net (increase) decrease in accounts payable for properties and equipment additions	162,676	261,479
Capital expenditures and acquisitions	$ 11,836,504	$ 7,997,829