Condensed Consolidated Unaudited Statements of Shareholders' Equity - USD ($)	Common Stock	Treasury Stock	Additional Paid in Capital	Retained Earnings	Total
Balance at Sep. 30, 2017	$ 8,314	$ (13,601,302)	$ 20,825,919	$ 60,935,911	$ 68,168,842
Balance (in shares) at Sep. 30, 2017	831,438	(153,432)
Increase (Decrease) in Stockholders' Equity
Dividends on common stock				(329,869)	(329,869)
Compensation expense and issuance of stock in connection with equity-based awards	$ 127		1,183,701		1,183,828
Compensation expense and issuance of stock in connection with equity-based awards (in shares)	12,651
Repurchase of common stock		$ (15,175)			(15,175)
Repurchase of common stock (in shares)		(171)
Net income				1,480,091	1,480,091
Balance at Dec. 31, 2017	$ 8,441	$ (13,616,477)	22,009,620	62,086,133	70,487,717
Balance (in shares) at Dec. 31, 2017	844,089	(153,603)
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)			615,777
Increase (Decrease) in Stockholders' Equity
Dividends on common stock				(296,936)	$ (296,936)
Compensation expense and issuance of stock in connection with equity-based awards	$ 120		1,041,615		1,041,735
Compensation expense and issuance of stock in connection with equity-based awards (in shares)	11,950
Repurchase of common stock		$ (918,085)			(918,085)
Repurchase of common stock (in shares)		(10,432)
Net income				1,245,321	1,245,321
Balance at Dec. 31, 2018	$ 8,561	$ (22,242,837)	$ 23,110,713	$ 64,796,415	$ 65,672,852
Balance (in shares) at Dec. 31, 2018	856,039	(238,744)			617,295