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Business Segment Information (Tables)
 3 Months Ended
Dec. 31, 2015
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment
Information concerning our business segments is as follows:
 
Three months ended December 31,
 
2015
 
2014
 
(dollars in thousands)
Net Revenues:
 
 
 
Solar (1)*
$
9,543

 
$
8,286

Semiconductor
10,700

 
732

Polishing
1,831

 
3,378

 
$
22,074

 
$
12,396

Operating income (loss):
 
 
 
Solar (1)*
$
(1,864
)
 
$
(2,495
)
Semiconductor
(160
)
 
(100
)
Polishing
169

 
742

Non-segment related
(2,074
)
 
(2,940
)
 
$
(3,929
)
 
$
(4,793
)

(1) * 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.

 
December 31,
2015
 
September 30,
2015
 
(dollars in thousands)
Identifiable Assets:
 
 
 
Solar
$
40,229

 
$
45,717

Semiconductor
46,303

 
46,912

Polishing
5,395

 
5,793

Non-segment related
21,468

 
27,034

 
$
113,395

 
$
125,456