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Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($)
3 Months Ended
Apr. 01, 2018
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]        
Goodwill   $ 8,759,000   $ 8,759,000
Amortization expense of intangibles   600,000 $ 300,000  
Stockholders' deficit balance   (11,742,000)   (6,856,000)
Fair value of market capitalization of the Company   14,000,000   $ 11,000,000
Goodwill impairment   $ 0    
Subsequent Event        
Finite-Lived Intangible Assets [Line Items]        
Fair value of market capitalization of the Company $ 2,000,000      
Goodwill impairment $ 0      
Portal (Technology) | Minimum        
Finite-Lived Intangible Assets [Line Items]        
Estimated useful life of intangible assets   4 years    
Portal (Technology) | Maximum        
Finite-Lived Intangible Assets [Line Items]        
Estimated useful life of intangible assets   6 years    
Customer relationships        
Finite-Lived Intangible Assets [Line Items]        
Estimated useful life of intangible assets   8 years