10.The Company had two major vendors that accounted for 25.6% and 10.0%, respectively, of total purchases during the three months ended March 31, 2015. The Company had one major vendor that accounted for 10.3% of total purchases during the three months ended March 31, 2014. The Company had two major customers that accounted for 18.5% and 17.8%, respectively, of its total net sales during the three months ended March 31, 2015. These same customers accounted for 21.9% and 11.2%, respectively, of total net accounts receivable as of March 31, 2015.  The Company had three major customers that accounted for 15.7%, 15.6% and 10.5%, respectively, of its total net sales during the three months ended March 31, 2014.