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Fair Value Measurements (Tables)
12 Months Ended
Dec. 30, 2012
Fair Value Disclosures [Abstract]  
Fair Value, Assets Measured on Recurring Basis
The following table presents the Company's financial assets that are measured at fair value on a recurring basis as of December 30, 2012 and January 1, 2012, consistent with the fair value hierarchy provisions of the authoritative guidance (in thousands):
 
 
As of December 30, 2012
  
As of January 1, 2012
 
Total
  
Level 1
  
Level 2
  
Level 3
  
Total
  
Level 1
  
Level 2
  
Level 3
Assets:
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
Money market funds(1)
$
21,907

  
$
21,907

  
$

  
$

  
$
18,826

  
$
18,826

  
$

  
$

Investment in TowerJazz Semiconductor Ltd. (2)
345

  
345

  

  

  
406

  
406

  

  

Total assets
$
22,252

  
$
22,252

  
$

  
$

  
$
19,232

  
$
19,232

  
$

  
$

___________________________
(1)
Money market funds are presented as a part of cash and cash equivalents on the accompanying consolidated balance sheets as of December 30, 2012 and January 1, 2012.
(2) 
The Company expects to sell TowerJazz marketable securities at the fair market value at such time as it deems appropriate.