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5. Intangible Assets (Details - Finite lived) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Cost $ 8,244 $ 8,244
Accumulated Amortization (7,269) (6,597)
Intangible assets, net 975 1,647
Recipes [Member]    
Cost 44 44
Customer Lists And Other Customer Related Intangibles [Member]    
Cost 4,529 4,529
Customer Relationships [Member]    
Cost 985 985
Trade Names [Member]    
Cost 2,248 2,248
Formula [Member]    
Cost $ 438 $ 438