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Business Segment Information | 6 Months Ended
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Mar. 31, 2017
Segment Reporting [Abstract] |
Business Segment Information | Business Segment Information Our three reportable segments are as follows: Solar – We are a leading supplier of thermal processing systems, ALD, related automation, parts and services, to the solar/photovoltaic industry and also offer PECVD (plasma-enhanced chemical vapor deposition) equipment to the global solar market. Semiconductor - In our Semiconductor segment, we design, manufacture, sell and service thermal processing equipment and related controls and parts for use by leading semiconductor manufacturers, and in electronics, automotive and other industries. Polishing - In our Polishing segment, we produce consumables and machinery for lapping (fine abrading) and polishing of materials, such as sapphire substrates, optical components, silicon wafers, numerous types of crystal materials, ceramics and metal components. Information concerning our business segments is as follows:
| Three Months Ended March 31, |  | Six Months Ended March 31,
| 2017 |  | 2016 |  | 2017 |  | 2016
| (dollars in thousands)
Net Revenues: |  |  |  |  |  |  |
Solar * | $ | 16,555 |  |  | $ | 9,801 |  |  | $ | 27,979 |  |  | $ | 19,344 |
Semiconductor | 13,443 |  |  | 10,507 |  |  | 29,146 |  |  | 21,206 |
Polishing | 2,946 |  |  | 2,175 |  |  | 4,954 |  |  | 4,007 |
| $ | 32,944 |  |  | $ | 22,483 |  |  | $ | 62,079 |  |  | $ | 44,557 |
Operating income (loss): |  |  |  |  |  |  |
Solar * | $ | (1,878 | ) |  | $ | (2,266 | ) |  | $ | (2,901 | ) |  | $ | (4,130 | )
Semiconductor | 1,403 |  |  | (119 | ) |  | 3,763 |  |  | (279 | )
Polishing | 503 |  |  | 386 |  |  | 967 |  |  | 555 |
Non-segment related | (1,428 | ) |  | (1,608 | ) |  | (3,412 | ) |  | (3,681 | )
| $ | (1,400 | ) |  | $ | (3,607 | ) |  | $ | (1,583 | ) |  | $ | (7,535 | )
* The financial statement of business units included in the Solar segment include some sales of equipment and parts to the semiconductor, silicon wafer and MEMS industries, comprising less than 25% of the Solar segment revenue.
| March 31, 2017 |  | September 30, 2016
| (dollars in thousands)
Identifiable Assets: |  |  |
Solar | $ | 60,610 |  |  | $ | 42,962 |
Semiconductor | 52,670 |  |  | 51,985 |
Polishing | 4,783 |  |  | 4,819 |
Non-segment related | 16,975 |  |  | 18,664 |
| $ | 135,038 |  |  | $ | 118,430 |

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8981-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8971-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8595-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8380-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8984-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9031-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9054-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8538-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8864-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8924-108599 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8906-108599 + Details
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