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Other Current Liabilities
 6 Months Ended
Jul. 02, 2011
Other Current Liabilities [Abstract]  
Other Liabilities, Current [Text Block]
Other Current Liabilities
Other current liabilities consist of the following (in thousands):
 
 
July 2,

2011
 
January 1,

2011
Accrued warranty (Note 13)
$
4,242


 
$
3,129


Accrued professional services
904


 
722


Customer deposits
—


 
397


Fair value of contingent payments to Zygo Corporation related to acquisition (Note 3)
678


 
750


Other
1,705


 
2,295


Total other current liabilities
$
7,529


 
$
7,293