Major Customers and Foreign Sales (Tables)

3 Months Ended

Dec. 31, 2015

Major Customers and Foreign Sales [Abstract]

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

	Three months ended December 31,
	2015		2014
United States	28	%	23	%
Other	3	%	—	%
Total North America	31	%	23	%
China	20	%	26	%
Taiwan	13	%	19	%
Other	21	%	6	%
Total Asia	54	%	51	%
Germany	2	%	10	%
Other	13	%	16	%
Total Europe	15	%	26	%
	100	%	100	%