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5. Goodwill and Intangible Assets (Details - Finite lived) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Cost $ 8,244 $ 8,244
Accumulated Amortization (8,092) (7,900)
Intangible assets, net 152 344
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