Annual report pursuant to Section 13 and 15(d)

Restricted Cash (Details)

v2.4.0.8
Restricted Cash (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Restricted Cash and Cash Equivalents Items [Line Items]        
Restricted cash $ 334 $ 329    
Cash and cash equivalents 54,912 34,478 42,834 33,206
Estimated period of restricted cash amount 2 months      
Seungwon Acquisition [Member]
       
Restricted Cash and Cash Equivalents Items [Line Items]        
Restricted cash 284      
Cash and cash equivalents   281    
United Kingdom [Member] | Customs deferment Reserves [Member]
       
Restricted Cash and Cash Equivalents Items [Line Items]        
Restricted cash 50      
Cash and cash equivalents   $ 48