11.        Major Customers and Vendors:

The Company had two major vendors that accounted for 22% and 18%, respectively, of total purchases during the three months ended September 30, 2019 and 24% and 16%, respectively, of total purchases during the nine months ended September 30, 2019. The Company had two major vendors that accounted for 23% and 15%, respectively, of total purchases during the three months ended September 30, 2018 and 25% and 15%, respectively, of total purchases during the nine months ended September 30, 2018.

The Company had two major customers that accounted for 19% and 17%, respectively, of its net sales during the three months ended September 30, 2019 and 24% and 20%, respectively, of its net sales during the nine months ended September 30, 2019. These same customers accounted for 43% and 11%, respectively, of total net accounts receivable as of September 30, 2019 and 36% and 15%, respectively, of total net accounts receivable as of December 31, 2018. The Company had two major customers that accounted for 37% and 16%, respectively, of its total net sales during the three months ended September 30, 2018 and 28% and 17%, respectively, of its total net sales during the nine months ended September 30, 2018.