Concentrations

6 Months Ended

Jun. 30, 2012

Basis Of Presentation

7. Concentrations

(1)   Concentration of customers

Sales to five largest customers accounted for approximately 29% and 23% of our net sales during the six months ended June 30, 2012 and 2011, respectively. There was no single customer representing 10% of total sales for the six months ended June 30, 2012. Sales to one customer accounted for 10% of total sales for the six months ended June 30, 2011.

Sales to our five largest customers accounted for approximately 38% and 25% of our net sales during the three months ended June 30, 2012 and 2011, respectively. Sales to one customer accounted for 11% of total sales for the three months ended June 30, 2012. There was no single customer representing 10% of total sales for the three months ended June 30, 2012.

(2)   Concentration of Suppliers

During the three months ended June 30, 2012, four suppliers accounted for 20%, 14%, 13% and 10% of our purchases. During the same period of 2011, three suppliers accounted for 31%, 16% and 13% of our purchases. There was no other single supplier representing 10% of purchase during both periods.

During six months ended June 30, 2012, four suppliers accounted for 19%, 19%, 11% and 10% of our purchases. During the same period of 2011, three suppliers accounted for 30%, 16% and 13% of our purchases. There was no other single supplier representing 10% of purchase during both periods.