Credit Agreement (Details Textual) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jun. 30, 2012
Credit Agreement (Additional Textual) [Abstract]
Company can borrow principally secured loans by its accounts receivable, inventories and equipment	$ 25.0
Line Of credit facility expiration date	Mar. 02, 2014
Additional borrowings available	24.8
Line of Credit [Member] | Maximum [Member]
Credit Agreement (Textual) [Abstract]
Credit Agreement is a LIBOR based rate with a margin spread	3.50%
Line of Credit [Member] | Minimum [Member]
Credit Agreement (Textual) [Abstract]
Credit Agreement is a LIBOR based rate with a margin spread	2.50%
Standby Letters of Credit [Member]
Credit Agreement (Textual) [Abstract]
Credit Agreement, standby letters of credit outstanding in the amount	0.2
Credit agreement [Member]
Credit Agreement (Textual) [Abstract]
Credit Agreement, standby letters of credit outstanding in the amount	$ 0