Major Customers and Foreign Sales (Details)	3 Months Ended		6 Months Ended
	Mar. 31, 2014 Customer	Mar. 31, 2013 Customer	Mar. 31, 2014 Customer	Mar. 31, 2013 Customer
Revenue, Major Customer [Line Items]
Revenue, number of major customers	1	2	2	0
Revenues, percentage			100.00%	100.00%
United States
Revenue, Major Customer [Line Items]
Revenues, percentage			30.00%	24.00%
China
Revenue, Major Customer [Line Items]
Revenues, percentage			15.00%	29.00%
Taiwan
Revenue, Major Customer [Line Items]
Revenues, percentage			17.00%	17.00%
Other
Revenue, Major Customer [Line Items]
Revenues, percentage			14.00%	11.00%
Total Asia
Revenue, Major Customer [Line Items]
Revenues, percentage			46.00%	57.00%
Germany
Revenue, Major Customer [Line Items]
Revenues, percentage			5.00%	6.00%
Other
Revenue, Major Customer [Line Items]
Revenues, percentage			19.00%	13.00%
Total Europe
Revenue, Major Customer [Line Items]
Revenues, percentage			24.00%	19.00%
Customer Number One [Member]
Revenue, Major Customer [Line Items]
Revenue, major customer, percentage	11.00%	13.00%	18.00%
Customer Number Two [Member]
Revenue, Major Customer [Line Items]
Revenue, major customer, percentage		10.00%	16.00%