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Concentrations
6 Months Ended
Jun. 30, 2014
Concentrations  
Note 8 - Concentrations

During the three months ended June 30, 2014, two vendors represented 74% and 12% of total inventory purchases, and 64% and 14% of total inventory purchases for the six months ended June 30, 2014.  During the three months ended June 30, 2013, two vendors represented 35% and 12% of total inventory purchases, and 33% and 11% of total inventory purchases for the six months ended June 30, 2013.  One vendor represented 30% and 28% of the accounts payable balance as of June 30, 2014 and 2013, respectively.