Note 2 - Stock Incentive Plans and Other Share-based Compensation (Details Textual) (USD $)
3 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Amended 2011 Plan [Member]    
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 148,000  
Restricted Stock [Member]    
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Allocated Share-based Compensation Expense $ 250,494 $ 155,412
Shares Paid for Tax Withholding for Share Based Compensation 36,802  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 3 years 219 days  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 2,300,000