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Concentration and Major Customers and Suppliers (Details) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Concentration and Major Customers and Suppliers (Details) [Line Items] |  |
Number of major supplier | 2 | 2
Supplier One [Member] |  |
Concentration and Major Customers and Suppliers (Details) [Line Items] |  |
Percentage of revenue | 74.00% | 82.00%
Sales [Member] |  |
Concentration and Major Customers and Suppliers (Details) [Line Items] |  |
Percentage of revenue | 10.00% | 10.00%
Supplier Two [Member] |  |
Concentration and Major Customers and Suppliers (Details) [Line Items] |  |
Percentage of revenue | 12.00% | 7.00%

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