Condensed Consolidated Unaudited Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Condensed Consolidated Unaudited Statements of Operations
Sales (including excise taxes of $92.0 million and $87.5 million, and $192.5 million and $181.5 million, respectively)	$ 378,513,490	$ 337,886,516	$ 783,258,263	$ 697,987,619
Cost of sales	355,540,704	317,193,063	736,823,498	656,449,455
Gross profit	22,972,786	20,693,453	46,434,765	41,538,164
Selling, general and administrative expenses	19,022,167	18,512,890	37,621,983	37,465,626
Depreciation and amortization	779,925	790,901	1,554,210	1,516,361
Total operating expenses	19,802,092	19,303,791	39,176,193	38,981,987
Operating income	3,170,694	1,389,662	7,258,572	2,556,177
Other expense (income):
Interest expense	310,543	387,263	686,973	859,686
Other (income), net	(84,265)	(29,920)	(126,088)	(36,697)
Total other expenses (income)	226,278	357,343	560,885	822,989
Income from operations before income taxes	2,944,416	1,032,319	6,697,687	1,733,188
Income tax expense	829,000	333,000	1,840,000	582,000
Equity method investment earnings, net of tax	313,492		648,831
Net income available to common shareholders	$ 2,428,908	$ 699,319	$ 5,506,518	$ 1,151,188
Basic earnings per share available to common shareholders	$ 4.41	$ 1.24	$ 10.02	$ 2.04
Diluted earnings per share available to common shareholders	$ 4.33	$ 1.22	$ 9.87	$ 2.02
Basic weighted average shares outstanding	551,369	565,697	549,729	564,129
Diluted weighted average shares outstanding	560,941	571,852	557,741	569,856
Dividends declared and paid per common share	$ 5.18	$ 0.46	$ 5.36	$ 0.64