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Stock-Based Compensation (Tables)
 9 Months Ended
Oct. 02, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-based compensation expense The following table shows total stock-based compensation expense (in thousands):
 
Fiscal Quarter Ended
 
Three Fiscal Quarters Ended
 
October 2,
2018
 
October 3,
2017
 
October 2,
2018
 
October 3,
2017
Stock-based compensation expense
$
640

 
$
248

 
$
2,232

 
$
1,193

Capitalized stock-based compensation expense
$
12

 
$
44

 
$
37

 
$
145