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8. Inventories (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
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Inventory Disclosure [Abstract] |  |
Appliances held for resale | $ 11,219 | $ 16,146
Processed metals from recycled appliances held for resale | 0 | 139
Other inventories | 0 | 6
Inventories, net | $ 11,219 | $ 16,291

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