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Concentration and Major Customers and Suppliers | 12 Months Ended
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Dec. 31, 2019
Concentration And Major Customers And Suppliers [Abstract] |
Concentration and Major Customers and Suppliers | (17) Concentration and Major Customers and Suppliers For the years ended December 31, 2019 and 2018, the Company had no single customer contributed over 10% of total sales. For the year ended December 31, 2019, the Company had two major suppliers that accounted for 74% and 12% of total purchases by the Company. For the year ended December 31, 2018, the Company had two major suppliers that accounted for 82% and 7% of total purchases by the Company.

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