Concentrations

12 Months Ended

Dec. 31, 2012

Notes to Financial Statements

Concentrations

11.   Concentrations

The Company maintains deposits in financial institutions which are insured by the Federal Deposit Insurance Corporation (“FDIC”). At various times, the Company has deposits in these financial institutions in excess of the amount insured by the FDIC.

As of December 31, 2011 and 2010, a substantial portion of the Company’s accounts receivable was related to three and two customers, respectively. Each customers’ accounts receivable comprised approximately 55%, 16% and 11% of 2011 and 60% and 22% of 2010 of the total accounts receivable.

During the year ended December 31, 2011, two vendors represented 38% and 11% of total purchases. During the year ended December 31, 2010, one vendor represented 29% of total purchases.