6. Major Customers

For the year ended December 31, 2016, the Company had two customers that accounted for approximately 28.0% and 24.6% of consolidated net sales. For the year ended December 31, 2015, the Company had two customers that accounted for approximately 26.9% and 15.4% of consolidated net sales. At December 31, 2016, the outstanding accounts receivable balances due from these customers were $5,512,000 and $2,842,000, respectively. At December 31, 2015, the outstanding accounts receivable balances due from these customers were $2,685,000 and $2,849,000 respectively.