CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Total
Balance at Sep. 30, 2020	$ 8,697	$ (30,861,549)	$ 24,282,058	$ 71,362,334	$ 64,791,540
Balance (in shares) at Sep. 30, 2020	869,867	(332,152)
Increase (Decrease) in Stockholders' Equity
Dividends on common stock				(3,355,301)	(3,355,301)
Compensation expense and issuance of stock in connection with equity-based awards	$ 137		636,723		636,860
Compensation expense and issuance of stock in connection with equity-based awards (in shares)	13,722
Repurchase of common stock		$ (5,738)			(5,738)
Repurchase of common stock (in shares)		(68)
Net income available to common shareholders				15,545,265	15,545,265
Balance at Sep. 30, 2021	$ 8,834	$ (30,867,287)	24,918,781	83,552,298	$ 77,612,626
Balance (in shares) at Sep. 30, 2021	883,589	(332,220)			551,369
Increase (Decrease) in Stockholders' Equity
Net income available to common shareholders					$ 12,100,000
Balance at Jun. 30, 2022					88,100,000
Balance at Sep. 30, 2021	$ 8,834	$ (30,867,287)	24,918,781	83,552,298	$ 77,612,626
Balance (in shares) at Sep. 30, 2021	883,589	(332,220)			551,369
Increase (Decrease) in Stockholders' Equity
Dividends on common stock				(3,440,202)	$ (3,440,202)
Compensation expense and issuance of stock in connection with equity-based awards	$ 334		1,984,420		1,984,754
Compensation expense and issuance of stock in connection with equity-based awards (in shares)	33,420
Net income available to common shareholders				16,672,257	16,672,257
Balance at Sep. 30, 2022	$ 9,168	$ (30,867,287)	$ 26,903,201	$ 96,784,353	$ 92,829,435
Balance (in shares) at Sep. 30, 2022	917,009	(332,220)			584,789