Condensed Consolidated Unaudited Statements of Shareholders' Equity - USD ($)	Common Stock	Treasury Stock	Additional Paid in Capital	Retained Earnings	Total
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)
Increase (Decrease) in Stockholders' Equity
Dividends on common stock				(273,630)	(273,630)
Compensation expense and issuance of stock in connection with equity-based awards	$ 131		1,027,315		1,027,446
Compensation expense and issuance of stock in connection with equity-based awards (in shares)	13,328
Repurchase of common stock		$ (8,156)			(8,156)
Repurchase of common stock (in shares)		(109)
Net income				451,870	451,870
Balance at Dec. 31, 2019	$ 8,692	$ (28,840,011)	24,192,954	66,592,637	61,954,272
Balance (in shares) at Dec. 31, 2019	869,367	(303,534)
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
Increase (Decrease) in Stockholders' Equity
Dividends on common stock				(3,038,544)	$ (3,038,544)
Compensation expense and issuance of stock in connection with equity-based awards	$ 137		725,181		725,318
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				3,077,610	3,077,610
Balance at Dec. 31, 2020	$ 8,834	$ (30,867,287)	$ 25,007,239	$ 71,401,400	$ 65,550,186
Balance (in shares) at Dec. 31, 2020	883,589	(332,220)			551,369