Consolidated Statements of Changes In Shareholders' Equity (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Sep. 30, 2009	$ 103,408	$ (6,151,530)	$ 36,007,342	$ (645,685)	$ (406,279)	$ 28,907,256
Balance (in Shares) at Sep. 30, 2009	10,340,784
Net income			4,186,449			4,186,449
Stock issuance	271	59,729				60,000
Stock issuance (in Shares)	27,150
Net unrealized gain (loss) on interest swap				(130,998)		(130,998)
Share based compensation expense		20,815				20,815
Balance at Sep. 30, 2010	103,679	(6,070,986)	40,193,791	(776,683)	(406,279)	33,043,522
Balance (in Shares) at Sep. 30, 2010	10,367,934
Net income			2,536,307			2,536,307
Stock issuance	590	169,410				170,000
Stock issuance (in Shares)	58,920
Stock options exercised	45	6,706				6,751
Stock options exercised (in Shares)	4,500
Net unrealized gain (loss) on interest swap				189,425		189,425
Share based compensation expense		10,349				10,349
Balance at Sep. 30, 2011	104,314	(5,884,521)	42,730,098	(587,258)	(406,279)	35,956,354
Balance (in Shares) at Sep. 30, 2011	10,431,354
Net income			1,250,492			1,250,492
Stock issuance	320	69,680				70,000
Stock issuance (in Shares)	31,969
Stock options exercised	20	1,600				1,620
Stock options exercised (in Shares)	2,000					2,000
Net unrealized gain (loss) on interest swap				587,258		587,258
Share based compensation expense		64,738				64,738
Purchase of common stock					(113,821)	(113,821)
Balance at Sep. 30, 2012	$ 104,653	$ (5,748,503)	$ 43,980,590		$ (520,100)	$ 37,816,640
Balance (in Shares) at Sep. 30, 2012	10,465,323