Major Customers and Foreign Sales (Tables)

3 Months Ended

Dec. 31, 2017

Major Customers and Foreign Sales [Abstract]

Revenues by Geographic Region

Our net revenues were to customers in the following geographic regions:

	Three Months Ended December 31,
	2017		2016
United States	7	%	18	%
Other	2	%	2	%
Total North America	9	%	20	%
China	71	%	26	%
Malaysia	3	%	17	%
Taiwan	2	%	12	%
Other	3	%	6	%
Total Asia	79	%	61	%
Germany	6	%	5	%
Other	6	%	14	%
Total Europe	12	%	19	%
	100	%	100	%