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2. Inventories (Tables)
3 Months Ended
Apr. 01, 2017
Inventory Disclosure [Abstract]  
Schedule of inventories
   April 1,
2017
   December 31,
2016
 
Appliances held for resale  $13,062   $16,146 
Processed metals from recycled appliances held for resale   114    139 
Other   6    6 
   $13,182   $16,291