Quarterly report pursuant to Section 13 or 15(d)

Restricted Cash (Details)

v3.3.0.814
Restricted Cash (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 26, 2015
Dec. 27, 2014
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash $ 298 $ 319
Estimated period of restricted cash amount 2 months  
Seungwon Acquisition [Member]    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted Cash and Cash Equivalents $ 252  
United Kingdom [Member]    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted Cash and Cash Equivalents $ 46