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FAIR VALUE MEASUREMENTS (Tables)
12 Months Ended
Dec. 31, 2017
Fair Value Disclosures [Abstract]  
Schedule of financial assets measured at fair value on a recurring basis
The following table presents the Company's financial assets that are measured at fair value on a recurring basis as of December 31, 2017 and January 1, 2017 consistent with the fair value hierarchy provisions of the authoritative guidance (in thousands):
 
 
As of December 31, 2017
 
As of January 1, 2017
 
Total
 
Level 1
 
Level 2
 
Level 3
 
Total
 
Level 1
 
Level 2
 
Level 3
Assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Money market funds(1)
$
15,635

 
$
7,176

 
$
8,459

 
$

 
$
14,692

 
$
1,338

 
$
13,354

 
$

Total assets
$
15,635

 
$
7,176

 
$
8,459

 
$

 
$
14,692

 
$
1,338

 
$
13,354

 
$

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(1)
Money market funds are presented as a part of cash and cash equivalents on the accompanying consolidated balance sheets as of December 31, 2017 and January 1, 2017.