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Concentrations (Details)
6 Months Ended
Jun. 30, 2019
Customer
Suppliers / Number
Jun. 30, 2018
Customer
Suppliers / Number
Sales Revenue, Net [Member]    
Concentrations (Textual)    
Concentrations risk, percentage 10.00% 10.00%
Accounts Receivable [Member]    
Concentrations (Textual)    
Number of customers | Customer 2 2
Accounts Receivable [Member] | Customer [Member]    
Concentrations (Textual)    
Concentrations risk, percentage 49.70% 46.40%
Accounts Receivable [Member] | Customer One [Member]    
Concentrations (Textual)    
Concentrations risk, percentage 10.70% 13.70%
Raw Material Purchases [Member]    
Concentrations (Textual)    
Number of suppliers | Suppliers / Number 2 3
Raw Material Purchases [Member] | Supplier One [Member]    
Concentrations (Textual)    
Concentrations risk, percentage 27.70% 21.70%
Raw Material Purchases [Member] | Supplier Two [Member]    
Concentrations (Textual)    
Concentrations risk, percentage 24.70% 18.10%
Raw Material Purchases [Member] | Supplier Three [Member]    
Concentrations (Textual)    
Concentrations risk, percentage   14.40%