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Business Segments (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2014 segment | Sep. 30, 2013 | Sep. 30, 2012
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of operating segments |  |  |  |  |  |  |  |  | 2 |  |
Net revenue | $ 19,822 | $ 9,190 | $ 12,717 | $ 14,772 | $ 6,925 | $ 10,398 | $ 8,118 | $ 9,357 | $ 56,501 | $ 34,798 | $ 81,539
Operating loss |  |  |  |  |  |  |  |  | (13,089) | (19,994) | (32,984)
Capital expenditures |  |  |  |  |  |  |  |  | 462 | 178 | 1,306
Depreciation and amortization |  |  |  |  |  |  |  |  | 2,410 | 2,667 | 2,858
Identifiable assets | 89,904 |  |  |  | 110,947 |  |  |  | 89,904 | 110,947 |
Goodwill | 8,323 |  |  |  | 8,481 |  |  |  | 8,323 | 8,481 |
Solar and semiconductor equipment |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenue |  |  |  |  |  |  |  |  | 45,848 | 26,368 | 73,102
Operating loss |  |  |  |  |  |  |  |  | (10,159) | (14,377) | (26,236)
Capital expenditures |  |  |  |  |  |  |  |  | 392 | 98 | 1,121
Depreciation and amortization |  |  |  |  |  |  |  |  | 2,276 | 2,501 | 2,717
Identifiable assets | 83,651 |  |  |  | 106,723 |  |  |  | 83,651 | 106,723 |
Goodwill | 7,595 |  |  |  | 7,753 |  |  |  | 7,595 | 7,753 |
Polishing supplies and equipment |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenue |  |  |  |  |  |  |  |  | 10,653 | 8,430 | 8,437
Operating loss |  |  |  |  |  |  |  |  | 2,805 | 1,282 | 1,405
Capital expenditures |  |  |  |  |  |  |  |  | 70 | 80 | 185
Depreciation and amortization |  |  |  |  |  |  |  |  | 134 | 166 | 141
Identifiable assets | 6,253 |  |  |  | 4,224 |  |  |  | 6,253 | 4,224 |
Goodwill | 728 |  |  |  | 728 |  |  |  | 728 | 728 |
Non-segment related loss |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating loss |  |  |  |  |  |  |  |  | $ (5,735) | $ (6,899) | $ (8,153)

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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