Concentrations

9 Months Ended

Sep. 30, 2016

Notes to Financial Statements

8. Concentrations

During the three months ended September 30, 2016, three vendors represented 40%, 18% and 17% of total inventory purchases and 45%, 17% and 17% of total inventory purchases for the nine months ended September 30, 2016.  During the three months ended September 30, 2015, two vendors represented 61% and 11% of total inventory purchases and 67% and 11% of total inventory purchases for the nine months ended September 30, 2015.  At September 30, 2016, one vendor represented 50% of the accounts payable balance and two vendors represented 43% and 13% of the accounts payable balance as of December 31, 2015.