Concentration and Major Customers and Suppliers	12 Months Ended
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.

Concentration and Major Customers and Suppliers

12 Months Ended

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.