NOTE L – BUSINESS CONCENTRATION

For the six months ended June 30, 2018, one customer represented approximately 11% of total net revenues. For the six months ended June 30, 2017, no single customer represented 10% or more of total net revenues. As of June 30, 2018, four customers accounted for approximately 54% of the Company’s net accounts receivable. As of December 31, 2017, three customers accounted for approximately 54% of the Company’s net accounts receivable.

Purchases from one supplier approximated $1,975,000, or 88%, of purchases for the six months ended June 30, 2018 and $1,439,000, or 84%, of purchases for the six months ended June 30, 2017. Total due to this supplier, net of deposits, was approximately $490,000, as of June 30, 2018, and $33,000 as of December 31, 2017.