11.        Major Customers and Vendors:

The Company had two major vendors that accounted for 22% and 15%, respectively, of total purchases during the three months ended June 30, 2019 and 25% and 15%, respectively, of total purchases during the six months ended June 30, 2019. The Company had two major vendors that accounted for 21% and 15%, respectively, of total purchases during the three months ended June 30, 2018 and 27% and 15%, respectively, of total purchases during the six months ended June 30, 2018.

The Company had two major customers that accounted for 27% and 18%, respectively, of its net sales during the three months ended June 30, 2019 and 26% and 18%, respectively, of its net sales during the six months ended June 30, 2019. These same customers accounted for 44% and 12%, respectively, of total net accounts receivable as of June 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 18% and 16%, respectively, of its total net sales during the three months ended June 30, 2018 and 22% and 17%, respectively, of its total net sales during the six months ended June 30, 2018.