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Note 11 - Concentration of Risks
6 Months Ended
Jun. 30, 2011
Concentration Risk Disclosure [Text Block]
Note 11.  Concentration of Risks

The Company maintains a portion of its cash balance in one financial institution, which at times may exceed federally insured limits. As of June 30, 2011, the Company maintained approximately $2,282,000 at major financial institutions in money market accounts insured by the Federal Deposit Insurance Corporation up to $250,000 per account or the Securities Investor Protection Corporation up to $500,000 per account. To date the Company has not experienced any losses in its money market account.

A significant portion of the Company’s revenue is derived from a concentrated number of customers. The following individual customers accounted for 10% or more of revenue for the three and six months ended June 30, 2011 and 2010:

   
Three Months Ended
June 30,
   
Six Months Ended
June 30,
 
   
2011
   
2010
   
2011
   
2010
 
Customer A
    29 %     63 %     32 %     67 %
Customer B
    13 %     26 %     21 %     21 %
Customer C
    27 %           18 %      
Customer D
    27 %           23 %