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, September 30, 2008 at Sep. 30, 2008	$ 102,941	$ (6,272,897)	$ 32,988,338	$ (187,944)	$ (54,164)	$ 26,576,274
Balance, September 30, 2008 (in Shares) at Sep. 30, 2008	10,294,115
Net income			3,019,004			3,019,004
Purchase of common stock					(352,115)	(352,115)
Stock issuance	467	69,533				70,000
Stock issuance (in Shares)	46,669
Net unrealized gain (loss) on interest swap				(457,741)		(457,741)
Share based compensation expense		51,834				51,834
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