EQUITY METHOD INVESTMENT - Equity investee's summarized financial data (Details) - USD ($)	3 Months Ended	6 Months Ended
Mar. 31, 2021	Mar. 31, 2021
EQUITY METHOD INVESTMENT
Net income attributable to AMCON, net of tax	$ 313,492	$ 648,831
Team Sledd
EQUITY METHOD INVESTMENT
Sales	158,459,384	323,027,468
Gross profit	7,719,918	15,567,308
Net income before income taxes	941,027	1,944,820
Net income attributable to AMCON, net of tax	$ 313,492	$ 648,831

The amount of gross profit (loss) reported by an equity method investment of the entity.

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