Concentrations of Credit Risk and Major Customers

12 Months Ended

Dec. 31, 2020

Concentrations of Credit Risk and Major Customers [Abstract]

Concentration of Credit Risk and Major Customers

Concentrations of Credit Risk and Major Customers

Our major customers represent primarily the consumer goods, appliances, food products and automotive industries.  Credit is granted to customers on an unsecured basis.  Our five largest customers accounted for approximately 34%, 36%, and 37% of operating revenues for the years ended December 31, 2020, 2019, and 2018, respectively. Our five largest customers accounted for approximately 30% and 30% of gross accounts receivable as of December 31, 2020 and 2019, respectively.

There was no single customer that accounted for more than 10% of operating revenues for the year ended December 31, 2020. During the years ended December 31, 2019 and December 31, 2018, there was one customer that accounted for more than 10% of operating revenues at 10.9% and 12.5%, respectively. This customer had accounts receivable of $5.8 million as of December 31, 2019.