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Prepaid and Other Current Assets (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Nov. 30, 2019
Prepaid and Other Current Assets (Details) [Line Items]    
Ownership percentage 49.00%  
Joint venture Contribution $ 250,000  
Fair value of order placed $ 1,000,000  
Notes payable   $ 700,000
Jiangsu Shengfeng [Member]    
Prepaid and Other Current Assets (Details) [Line Items]    
Ownership percentage 51.00%  
Joint venture Contribution $ 9,750,000  
Working capital 500,000  
Advance payment $ 700,000