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Note 15 - Shareholders' Equity (Tables)
 12 Months Ended
Oct. 31, 2014
Notes Tables  
Schedule of Share Repurchases [Table Text Block]
Fiscal years ended
October 31,
 
Shares
repurchased
 
 
Cost
 
2014
     44,464     $ 195,206  
2013
     129,500       543,420  
2012
     267,000       1,176,661