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Goodwill and Intangible Asset Disclosure Intangible Assets by Major Asset Class (Details) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Gross $ 650,000 $ 650,000  
Finite-Lived Intangible Assets, Accumulated Amortization (137,000) (87,000)  
Finite-Lived Intangible Assets, Net 513,000 563,000  
Amortization of Intangible Assets 50,000 $ 50,000 $ 37,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two 50,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Three 50,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Four 50,000    
Finite-Lived Intangible Assets, Amortization Expense, Year Five $ 50,000    
Customer Relationships [Member]      
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life 10 years 10 years  
Finite-Lived Intangible Assets, Gross $ 400,000    
Finite-Lived Intangible Assets, Accumulated Amortization (110,000) $ (70,000)  
Finite-Lived Intangible Assets, Net $ 290,000 $ 330,000  
Trade Names [Member]      
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Asset, Useful Life 25 years 25 years  
Finite-Lived Intangible Assets, Gross $ 250,000    
Finite-Lived Intangible Assets, Accumulated Amortization (27,000) $ (17,000)  
Finite-Lived Intangible Assets, Net $ 223,000 $ 233,000