10.Major Customers and Vendors:

The Company had two major vendors that accounted for 27.0% and 14.1%, respectively, of total purchases during the nine months ended September 30, 2017, and 27.9% and 14.1% of total purchases for the three months ended September 30, 2017. The Company had two major vendors that accounted for 23.8% and 10.2%, respectively, of its total purchases during the nine months ended September 30, 2016, and 23.6%, and 10.5% of total net purchases for the three months ended September 30, 2016. The Company had two major customers that accounted for 22.5% and 19.3%, respectively, of its total net sales during the nine months ended September 30, 2017, and 24.4%, and 18.5% of total net sales for the three months ended September 30, 2017. These same customers accounted for 14.8% and 25.5%, respectively, of total net accounts receivable as of September 30, 2017. The Company had two major customers that accounted for 19.8% and 17.8%, respectively, of its total net sales during the nine months ended September 30, 2016, and 21.4%, and 17.5% of total net sales for the three months ended September 30, 2016.

The Company entered into a distribution agreement in July 2017, and made a nonrefundable prepayment of $8.0 million to be applied against any amounts due under this agreement. The amount will be recorded as a prepaid and will be reduced as purchases are made under the agreement.