Major Customers and Foreign Sales (Details)	6 Months Ended
	Mar. 31, 2015 Customer	Mar. 31, 2014 Customer
Revenue, Major Customer [Line Items]
Revenue, number of major customers	1	2
Revenues, percentage	100.00%	100.00%
United States
Revenue, Major Customer [Line Items]
Revenues, percentage	17.00%	30.00%
Other
Revenue, Major Customer [Line Items]
Revenues, percentage	3.00%	0.00%
Total North America
Revenue, Major Customer [Line Items]
Revenues, percentage	20.00%	30.00%
China
Revenue, Major Customer [Line Items]
Revenues, percentage	28.00%	15.00%
Taiwan
Revenue, Major Customer [Line Items]
Revenues, percentage	18.00%	17.00%
Other
Revenue, Major Customer [Line Items]
Revenues, percentage	16.00%	14.00%
Total Asia
Revenue, Major Customer [Line Items]
Revenues, percentage	62.00%	46.00%
Germany
Revenue, Major Customer [Line Items]
Revenues, percentage	8.00%	5.00%
Other
Revenue, Major Customer [Line Items]
Revenues, percentage	10.00%	19.00%
Total Europe
Revenue, Major Customer [Line Items]
Revenues, percentage	18.00%	24.00%
Customer Number One
Revenue, Major Customer [Line Items]
Concentration risk, percentage	19.00%	18.00%
Customer Number Two
Revenue, Major Customer [Line Items]
Concentration risk, percentage		16.00%