Condensed Consolidated Unaudited Statements of Operations - USD ($)	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Condensed Consolidated Unaudited Statements of Operations
Sales (including excise taxes of $88.6 million and $91.0 million, respectively)	$ 315,513,209	$ 310,104,229
Cost of sales	297,321,447	291,788,243
Gross profit	18,191,762	18,315,986
Selling, general and administrative expenses	16,353,608	15,698,319
Depreciation and amortization	531,005	526,433
Total operating expenses	16,884,613	16,224,752
Operating income	1,307,149	2,091,234
Other expense (income):
Interest expense	202,191	217,543
Other (income), net	(5,133)	(5,773)
Total other expenses (income)	197,058	211,770
Income from operations before income tax expense	1,110,091	1,879,464
Income tax expense (benefit)	(370,000)	833,000
Net income available to common shareholders	$ 1,480,091	$ 1,046,464
Basic earnings per share available to common shareholders (in dollars per share)	$ 2.15	$ 1.54
Diluted earnings per share available to common shareholders (in dollars per share)	$ 2.13	$ 1.52
Basic weighted average shares outstanding (in shares)	687,679	681,668
Diluted weighted average shares outstanding (in shares)	695,950	688,676
Dividends declared per common share	$ 0.18	$ 0.18
Dividends paid per common share	$ 0.18	$ 0.18