Condensed Statements Of Cash Flows - USD ($)	6 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating Activities
Net income (loss)	$ (1,096,443)	$ (18,562,700)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion and amortization	4,038,466	6,329,219
Impairment of producing properties		29,545,702
Provision for deferred income taxes	(288,000)	(4,711,000)
Gain from leasing fee mineral acreage	(57,493)	(544,979)
Proceeds from leasing fee mineral acreage	64,047	559,462
Net (gain) loss on sales of assets	(62,097)	(3,265,449)
Directors' deferred compensation expense	100,254	140,130
Total (gain) loss on derivative contracts	2,602,179	(3,253,683)
Cash receipts (payments) on settled derivative contracts	315,883	1,530,912
Restricted stock awards	284,148	491,616
Other	31,544	7,225
Cash provided (used) by changes in assets and liabilities:
Natural gas, oil and NGL sales receivables	(1,732,801)	1,168,943
Other current assets	(388,864)	(232,349)
Accounts payable	(340,404)	117,561
Income taxes receivable	1,356,356	(2,072,428)
Other non-current assets	56,545	50,010
Accrued liabilities	(206,213)	(1,189,850)
Total adjustments	5,773,550	24,671,042
Net cash provided by operating activities	4,677,107	6,108,342
Investing Activities
Capital expenditures	(425,098)	(139,755)
Acquisition of minerals and overrides	(7,934,504)	(10,254,016)
Proceeds from sales of assets	21,000	3,376,049
Net cash provided (used) by investing activities	(8,338,602)	(7,017,722)
Financing Activities
Borrowings under Credit Facility		5,561,725
Payments of loan principal	(5,250,000)	(8,986,725)
Net proceeds from equity issuance	(53,482)
Purchases of treasury stock		(7,635)
Payments of dividends	(454,936)	(1,319,899)
Net cash provided (used) by financing activities	(5,758,418)	(4,752,534)
Increase (decrease) in cash and cash equivalents	(9,419,913)	(5,661,914)
Cash and cash equivalents at beginning of period	10,690,395	6,160,691
Cash and cash equivalents at end of period	1,270,482	498,777
Supplemental Schedule of Noncash Investing and Financing Activities:
Dividends declared and unpaid	289,997
Additions to asset retirement obligations		4
Gross additions to properties and equipment	8,759,616	10,229,121
Equity offering used for acquisitions	(250,000)
Net (increase) decrease in accounts payable for properties and equipment additions	(150,014)	164,650
Capital expenditures and acquisitions	$ 8,359,602	$ 10,393,771