EARNINGS PER SHARE (Details) - USD ($)	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
EARNINGS PER SHARE
Weighted average common shares outstanding, Basic	561,166	597,961
Net income available to common shareholders	$ 5,542,590	$ 3,202,943
Net earnings per share available to common shareholders, Basic (in dollars per share)	$ 9.88	$ 5.36
Weighted average of net additional shares outstanding assuming dilutive options exercised and proceeds used to purchase treasury stock	6,795	11,875
Weighted average number of shares outstanding, Diluted	567,961	609,836
Net income available to common shareholders, diluted	$ 5,542,590	$ 3,202,943
Net earnings per share available to common shareholders, Diluted (in dollars per share)	$ 9.76	$ 5.25