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Note 8 - Prepaid Expenses and Other Receivables (Tables)
12 Months Ended
Dec. 31, 2012
Schedule of Other Current Assets [Table Text Block]
Other current assets consisted of the following at December 31, 2012 and 2011:

   
2012
   
2011
 
             
Prepaid expenses
 
$
111,521
   
$
81,841
 
Other receivables
   
68,192
     
32,012
 
Total
 
$
179,713
   
$
113,853