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Note 3 - Significant Customers, Concentration of Credit Risk, and Geographic Information
3 Months Ended
Sep. 30, 2014
Risks and Uncertainties [Abstract]  
Concentration Risk Disclosure [Text Block]

 NOTE 3 – SIGNIFICANT CUSTOMERS, CONCENTRATION OF CREDIT RISK, AND GEOGRAPHIC INFORMATION


We are exposed to interest rate risks.  Our investment income is sensitive to changes in the general level of U.S. interest rates, particularly since the majority of our investments are in shorter duration fixed income securities. We have no outstanding debt nor do we utilize auction rate securities or derivative financial instruments in our investment portfolio.


Our financial results could be affected by changes in foreign currency exchange rates or weak economic conditions in foreign markets. As all sales are currently made in U.S. dollars, a strengthening of the dollar could make our products less competitive in foreign markets. Sales within North America represented approximately 52.6% of net revenues in the three months ended September 30, 2014, and 61.2% of net revenues in the three months ended September 30, 2013. Sales outside North America represented approximately 47.4% of net revenues in the three months ended September 30, 2014, and 38.8% of net revenues in the three months ended September 30, 2013.


One customer accounted for 10.7% of the Company’s revenue for the three-month period ended September 30, 2014.  The customer’s accounts receivable balance, totaled approximately 11.1% of net accounts receivable as of September 30, 2014. One customer accounted for 14.8% of the Company’s revenue for the three-month period ended September 30, 2013. The customer’s accounts receivable balances, totaled approximately 5.7% of net accounts receivable as of September 30, 2013.