Major Customers and Foreign Sales (Tables)

6 Months Ended

Mar. 31, 2021

Geographic Areas Revenues From External Customers [Abstract]

Schedule of Revenues by Geographic Region

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

	Six Months Ended March 31,
	2021			2020
United States		24	%		34	%
Other		3	%		6	%
Total North America		27	%		40	%
China		28	%		24	%
Malaysia		5	%		4	%
Taiwan		20	%		11	%
Other		8	%		7	%
Total Asia		61	%		46	%
Germany		3	%		3	%
Other		9	%		11	%
Total Europe		12	%		14	%
		100	%		100	%