Condensed Balance Sheets - USD ($)		Jun. 30, 2021	Sep. 30, 2020
Current assets:
Cash and cash equivalents		$ 2,908,500	$ 10,690,395
Natural gas, oil, and NGL sales receivables (net of $0 allowance for uncollectable accounts)		5,114,387	2,943,220
Refundable income taxes		2,379,756	3,805,227
Other		480,600	351,088
Total current assets		10,883,243	17,789,930
Properties and equipment at cost, based on successful efforts accounting:
Producing natural gas and oil properties		323,187,303	324,886,491
Non-producing natural gas and oil properties		32,894,588	18,993,814
Other		681,125	582,444
Gross properties and equipment, at cost, based on successful efforts accounting		356,763,016	344,462,749
Less accumulated depreciation, depletion and amortization		(259,018,926)	(263,590,801)
Net properties and equipment		97,744,090	80,871,948
Operating lease right-of-use assets		628,617	690,316
Other, net		558,659	669,641
Total assets		109,814,609	100,021,835
Current liabilities:
Accounts payable		1,173,258	997,637
Derivative contracts, net	[1]	6,754,328	281,942
Current portion of operating lease liability		130,973	127,108
Accrued liabilities and other		1,324,482	1,297,363
Short-term debt			1,750,000
Total current liabilities		9,383,041	4,454,050
Long-term debt		19,900,000	27,000,000
Deferred income taxes, net		212,007	1,329,007
Asset retirement obligations		2,845,919	2,897,522
Derivative contracts, net	[1]	1,354,174	425,705
Operating lease liability, net of current portion		822,907	921,625
Total liabilities		34,518,048	37,027,909
Stockholders' equity:
Class A voting common stock, $0.01666 par value; 36,000,500 shares authorized and 30,200,226 issued at June 30, 2021; 24,000,500 shares authorized and 22,647,306 issued at September 30, 2020		503,136	377,304
Capital in excess of par value		25,844,372	10,649,611
Deferred directors' compensation		1,701,110	1,874,007
Retained earnings		53,033,376	56,244,100
Stockholders' Equity		81,081,994	69,145,022
Less treasury stock, at cost; 388,545 shares at June 30, 2021, and 411,487 shares at September 30, 2020		(5,785,433)	(6,151,096)
Total stockholders' equity		75,296,561	62,993,926
Total liabilities and stockholders' equity		$ 109,814,609	$ 100,021,835

[1] See Note 10: Fair Value Measurements for further disclosures regarding fair value of financial instruments.