EARNINGS PER SHARE (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
EARNINGS PER SHARE
Weighted average common shares outstanding, Basic	565,483	592,768	564,578	607,505
Weighted average of net additional shares outstanding assuming dilutive options exercised and proceeds used to purchase treasury stock	4,419	13,510	5,295	10,382
Weighted average number of shares outstanding, Diluted	569,902	606,278	569,873	617,887
Net income available to common shareholders	$ 1,579,566	$ 665,679	$ 2,730,754	$ 3,434,215
Net income available to common shareholders, diluted	$ 1,579,566	$ 665,679	$ 2,730,754	$ 3,434,215
Net earnings per share available to common shareholders, Basic (in dollars per share)	$ 2.79	$ 1.12	$ 4.84	$ 5.65
Net earnings per share available to common shareholders, Diluted (in dollars per share)	$ 2.77	$ 1.10	$ 4.79	$ 5.56