Condensed Balance Sheets - USD ($)		Jun. 30, 2020	Sep. 30, 2019
Current assets:
Cash and cash equivalents		$ 2,025,081	$ 6,160,691
Oil, NGL and natural gas sales receivables (net of allowance for uncollectable accounts)		2,183,216	4,377,646
Refundable income taxes		1,640,350	1,505,442
Derivative contracts, net	[1]	1,819,977	2,256,639
Other		490,697	177,037
Total current assets		8,159,321	14,477,455
Net properties and equipment, based on successful efforts method of accounting		83,038,001	111,427,021
Investments		113,408	205,076
Derivative contracts, net	[1]		237,505
Deferred income taxes, net		181,993
Other, net		231,387	297,890
Total assets		91,724,110	126,644,947
Current liabilities:
Accounts payable		724,289	665,160
Accrued liabilities and other		1,485,708	2,433,466
Short-term debt		2,000,000
Total current liabilities		4,209,997	3,098,626
Long-term debt		28,000,000	35,425,000
Deferred income taxes, net			5,976,007
Asset retirement obligations		2,871,603	2,835,781
Derivative contracts, net	[1]	140,466
Stockholders' equity:
Class A voting common stock, $0.01666 par value; 24,000,500 shares authorized; 16,897,306 issued at June 30, 2020, and Class A voting common stock, $0.01666 par value; 24,000,000 shares authorized; 16,897,306 issued at September 30, 2019		281,509	281,509
Capital in excess of par value		3,375,400	2,967,984
Deferred directors' compensation		1,829,786	2,555,781
Retained earnings		58,244,355	81,848,301
Stockholders' Equity		63,731,050	87,653,575
Less treasury stock, at cost; 483,588 shares at June 30, 2020, and 558,051 shares at September 30, 2019		(7,229,006)	(8,344,042)
Total stockholders' equity		56,502,044	79,309,533
Total liabilities and stockholders' equity		$ 91,724,110	$ 126,644,947

[1] See Note 11: Fair Value Measurements for further disclosures regarding fair value of financial instruments.