CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Total
Balance at Sep. 30, 2012	$ 18,329	$ 47,845,732	$ 29,605,236	$ (20,388,894)	$ 57,080,403
Increase (Decrease) in Stockholders' Equity
Share-based compensation		678,840			678,840
Exercise of stock options	255	1,156,039			1,156,294
Issuance of stock to directors	48	199,960			200,008
Purchase of treasury stock				(696)	(696)
Dividends			(25,007,519)		(25,007,519)
Net income (loss)			1,886,917		1,886,917
Balance at Sep. 30, 2013	18,632	49,880,571	6,484,634	(20,389,590)	35,994,247
Increase (Decrease) in Stockholders' Equity
Share-based compensation		407,391			407,391
Exercise of stock options	58	259,505			259,563
Issuance of stock to directors	25	150,030			150,055
Net income (loss)			200,268		200,268
Balance at Sep. 30, 2014	18,715	50,697,497	6,684,902	(20,389,590)	37,011,524
Increase (Decrease) in Stockholders' Equity
Share-based compensation		262,314			262,314
Exercise of stock options	20	38,980			39,000
Issuance of stock to directors	21	149,931			149,952
Purchase of treasury stock				(254,170)	(254,170)
Net income (loss)			(5,866,134)		(5,866,134)
Balance at Sep. 30, 2015	$ 18,756	$ 51,148,722	$ 818,768	$ (20,643,760)	$ 31,342,486