13.        Major Customers and Vendors:

The Company had two major vendors that accounted for 21% and 12%, respectively, of total purchases during the three months ended September 30, 2020 and 22% and 18%, respectively, of total purchases during the three months ended September 30, 2019. The Company had two major vendors that accounted for 20% and 9%, respectively, of total purchases during the nine months ended September 30, 2020 and 24% and 16%, respectively, of total purchases during the nine months ended September 30, 2019. 

The Company had two major customers that accounted for 22% and 12%, respectively, of its net sales during the three months ended September 30, 2020 and 19% and 17%, respectively, of its net sales during the three months ended September 30, 2019. The Company had two major customers that accounted for 26% and 14%, respectively, of its net sales during the nine months ended September 30, 2020 and 24% and 20%, respectively, of its net sales during the nine months ended September 30, 2019. These same customers accounted for 19% and 11%, respectively, of total net accounts receivable as of September 30, 2020 and 43% and 12%, respectively, of total net accounts receivable as of December 31, 2019.