Major Customers and Foreign Sales (Tables)

3 Months Ended

Dec. 31, 2018

Geographic Areas, Revenues from External Customers [Abstract]

Revenues by Geographic Region

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

	Three Months Ended December 31,
	2018		2017
United States	20	%	7	%
Other	2	%	2	%
Total North America	22	%	9	%
China	30	%	71	%
Malaysia	3	%	3	%
Taiwan	8	%	2	%
Other	7	%	3	%
Total Asia	48	%	79	%
Germany	17	%	6	%
Other	13	%	6	%
Total Europe	30	%	12	%
	100	%	100	%