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Note 11 - Business And Credit Concentrations, Major Customers And Geographic Information (Tables)
12 Months Ended
Oct. 31, 2014
Notes Tables  
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
 
 
Years ended October 31,
 
 
 
2014
 
 
2013
 
 
2012
 
United States
  $ 65,457,787     $ 52,931,288     $ 62,010,259  
Outside the United States
    17,519,945       22,334,750       21,513,071  
Total net sales
  $ 82,977,732     $ 75,266,038     $ 83,523,330