Major Customers and Foreign Sales (Tables)

12 Months Ended

Sep. 30, 2012

Major Customers and Foreign Sales [Abstract]

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area

Our net revenues for fiscal 2012, 2011 and 2010 were to customers in the following geographic regions:

	Years Ended September 30,
	2012		2011		2010
United States	13	%	6	%	7	%
Taiwan	9	%	16	%	17	%
China	43	%	69	%	64	%
Other	14	%	3	%	3	%
Total Asia	66	%	88	%	84	%
Germany	8	%	3	%	3	%
Other	13	%	3	%	6	%
Total Europe	21	%	6	%	9	%
	100	%	100	%	100	%