For the nine months ended September 30, 2017 and 2016, no single customer represented 10% or more of total net revenues. As of September 30, 2017, one customer accounted for approximately 10% of the Company’s net accounts receivable. As of December 31, 2016, two customers accounted for approximately 24% of the Company’s net accounts receivable.

Purchases from one supplier approximated $2,122,000, or 86%, of purchases for the nine months ended September 30, 2017 and $1,907,000, or 77%, of purchases for the nine months ended September 30, 2016. Total due to this supplier, net of deposits, was approximately $525,858 as of September 30, 2017, and $45,037 as of December 31, 2016.