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13. Segment Information (Details - Balance Sheet) - USD ($)
$ in Thousands
Jul. 01, 2017
Dec. 31, 2016
Assets $ 35,525 $ 41,856
Intangible assets 56 56
Retail [Member]    
Assets 14,716 17,559
Intangible assets 0 0
Recycling [Member]    
Assets 20,809 24,297
Intangible assets $ 56 $ 56