CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Common Stock	Treasury Stock	Additional Paid in Capital	Retained Earnings	Total
Balance at Sep. 30, 2014	$ 6,677	$ (5,965,503)	$ 13,571,909	$ 47,829,201	$ 55,442,284
Balance (in shares) at Sep. 30, 2014	667,698	(65,287)
Increase (Decrease) in Stockholders' Equity
Dividends on common stock				(467,768)	(467,768)
Dividends on convertible preferred stock				(195,105)	(195,105)
Compensation expense and issuance of stock in connection with equity-based awards	$ 134		1,167,540		1,167,674
Compensation expense and issuance of stock in connection with equity-based awards (in shares)	13,411
Proceeds from the exercise of stock options	$ 250		449,750		450,000
Proceeds from the exercise of stock options (in shares)	25,000
Net excess tax benefit on equity-based awards			320,000		320,000
Repurchase of common stock		$ (1,715,466)			(1,715,466)
Repurchase of common stock (in shares)		(19,718)
Net income				6,361,278	6,361,278
Balance at Sep. 30, 2015	$ 7,061	$ (7,680,969)	15,509,199	53,527,606	$ 61,362,897
Balance (in shares) at Sep. 30, 2015	706,109	(85,005)			621,104
Increase (Decrease) in Stockholders' Equity
Dividends on common stock				(654,678)	$ (654,678)
Dividends on convertible preferred stock				(160,360)	(160,360)
Compensation expense and issuance of stock in connection with equity-based awards	$ 136		1,117,450		1,117,586
Compensation expense and issuance of stock in connection with equity-based awards (in shares)	13,637
Conversion of Series A and Series B Convertible Preferred Stock to common stock by holders	$ 987		2,898,905		2,899,892
Conversion of Series A and Series B Convertible Preferred Stock to common stock by holders (in shares)	98,707
Repurchase of common stock		$ (4,795,412)			(4,795,412)
Repurchase of common stock (in shares)		(56,391)
Net income				5,980,673	5,980,673
Balance at Sep. 30, 2016	$ 8,184	$ (12,476,381)	$ 19,525,554	$ 58,693,241	$ 65,750,598
Balance (in shares) at Sep. 30, 2016	818,453	(141,396)			677,057