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Segment Disclosure (Tables)
6 Months Ended
Jun. 30, 2013
Segment Reporting [Abstract]  
Revenue information by product line
Summary revenue information by product line for the three and six months ended June 30, 2013 and 2012 is as follows (in thousands):

 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2013
 
2012
 
2013
 
2012
Systems
$
13,263

 
$
28,028

 
$
26,534

 
$
56,720

Sub-systems
11,573

 
12,794

 
23,484

 
24,435

Total
$
24,836

 
$
40,822

 
$
50,018

 
$
81,155

Revenue information by geography
Summary revenue information by geography for the three and six months ended June 30, 2013 and 2012 is as follows (in thousands):
 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2013
 
2012
 
2013
 
2012
Americas
$
4,736

 
$
12,098

 
$
10,805

 
$
24,776

EMEA
17,343

 
24,474

 
33,923

 
49,480

APJ
2,757

 
4,250

 
5,290

 
6,899

Total
$
24,836

 
$
40,822

 
$
50,018

 
$
81,155