CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($)	Common Stock	Treasury Stock	Additional Paid in Capital	Retained Earnings	Total
Balance at Sep. 30, 2018	$ 8,441	$ (21,324,752)	$ 22,069,098	$ 63,848,030	$ 64,600,817
Balance (in shares) at Sep. 30, 2018	844,089	(228,312)
Increase (Decrease) in Stockholders' Equity
Dividends on common stock				(636,576)	(636,576)
Compensation expense and issuance of stock in connection with equity-based awards	$ 120		1,096,541		1,096,661
Compensation expense and issuance of stock in connection with equity-based awards (in shares)	11,950
Repurchase of common stock		$ (7,507,103)			(7,507,103)
Repurchase of common stock (in shares)		(75,113)
Net income				3,202,943	3,202,943
Balance at Sep. 30, 2019	$ 8,561	$ (28,831,855)	23,165,639	66,414,397	$ 60,756,742
Balance (in shares) at Sep. 30, 2019	856,039	(303,425)			552,614
Increase (Decrease) in Stockholders' Equity
Dividends on common stock				(594,653)	$ (594,653)
Compensation expense and issuance of stock in connection with equity-based awards	$ 136		1,116,419		1,116,555
Compensation expense and issuance of stock in connection with equity-based awards (in shares)	13,828
Repurchase of common stock		$ (2,029,694)			(2,029,694)
Repurchase of common stock (in shares)		(28,727)
Net income				5,542,590	5,542,590
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)			537,715