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2. Inventories (Details) - USD ($)
$ in Thousands
Jul. 01, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Appliances held for resale $ 12,456 $ 16,146
Processed metals from recycled appliances held for resale 118 139
Other inventories 0 6
Inventories, net $ 12,574 $ 16,291