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8. Other Assets (Tables)
3 Months Ended
Apr. 01, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of other assets
   April 1,
2017
   December 31,
2016
 
Deposits  $428   $453 
Other   192    104 
Recycling contract, net   18    19 
Goodwill   38    38 
   $676   $614