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Note 9 - Major Customers and Accounts Receivable
 3 Months Ended
Mar. 31, 2013
Concentration Risk Disclosure [Text Block]
9.                      MAJOR CUSTOMERS AND ACCOUNTS RECEIVABLES

For the three months ended March 31, 2013 and 2012, three customers accounted for 61% and 76% of revenue, respectively.  At March 31, 2013, one customer accounted for 56% of accounts receivable.  At December 31, 2012, two customers accounted for 88% of accounts receivable.