Notes Payable and Long-Term Debt (Details Textual) (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Notes Payable and Long-Term Debt (Textual) [Abstract]
Company can borrow principally secured loans by its accounts receivable, inventories and equipment	$ 25,000,000
Line of credit facility expiration date	Mar. 02, 2014
Notes Payable and Long Term Debt (Additional Textual) [Abstract]
Debt outstanding	0	0
Additional borrowings available	24,800,000
Standby Letters of Credit [Member]
Notes Payable and Long-Term Debt (Textual) [Abstract]
Credit Agreement, standby letters of credit outstanding in the amount	200,000
Credit agreement [Member]
Notes Payable and Long-Term Debt (Textual) [Abstract]
Credit Agreement, standby letters of credit outstanding in the amount	$ 0	$ 0
Maximum [Member] | Line of Credit [Member]
Notes Payable and Long-Term Debt (Textual) [Abstract]
Credit Agreement is a LIBOR based rate with a margin spread	3.50%
Minimum [Member] | Line of Credit [Member]
Notes Payable and Long-Term Debt (Textual) [Abstract]
Credit Agreement is a LIBOR based rate with a margin spread	2.50%
New Agreement [Member]
Notes Payable and Long-Term Debt (Textual) [Abstract]
Credit agreement date	Mar. 02, 2011