For the six months ended June 30, 2017 and 2016, no single customer represented 10% or more of total net revenues. As of June 30, 2017, one customer accounted for approximately 11% 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 $1,439,000, or 84%, of purchases for the six months ended June 30, 2017 and $1,349,000, or 82%, of purchases for the six months ended June 30, 2016. Total due to this supplier, net of deposits, was approximately $88,694 as of June 30, 2017, and $45,037 as of December 31, 2016.