Major Customers and Foreign Sales (Details) - Customer	9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Revenue, Major Customer [Line Items]
Revenue, number of major customers	2	2
Revenues, percentage	100.00%	100.00%
United States
Revenue, Major Customer [Line Items]
Revenues, percentage	25.00%	27.00%
Other
Revenue, Major Customer [Line Items]
Revenues, percentage	2.00%	0.00%
Total North America
Revenue, Major Customer [Line Items]
Revenues, percentage	27.00%	27.00%
China
Revenue, Major Customer [Line Items]
Revenues, percentage	26.00%	14.00%
Taiwan
Revenue, Major Customer [Line Items]
Revenues, percentage	15.00%	18.00%
Other
Revenue, Major Customer [Line Items]
Revenues, percentage	18.00%	14.00%
Total Asia
Revenue, Major Customer [Line Items]
Revenues, percentage	59.00%	46.00%
Germany
Revenue, Major Customer [Line Items]
Revenues, percentage	5.00%	8.00%
Other
Revenue, Major Customer [Line Items]
Revenues, percentage	9.00%	19.00%
Total Europe
Revenue, Major Customer [Line Items]
Revenues, percentage	14.00%	27.00%
Net Revenues | Customer Concentration Risk | Customer Number One
Revenue, Major Customer [Line Items]
Concentration risk, percentage	18.00%	15.00%
Net Revenues | Customer Concentration Risk | Customer Number Two
Revenue, Major Customer [Line Items]
Concentration risk, percentage	12.00%	13.00%