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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% |

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