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Stock Compensation Information (Narrative) (Details) (USD $)
6 Months Ended 12 Months Ended
Oct. 31, 2013
Oct. 31, 2012
Apr. 30, 2013
Stock Compensation Information [Abstract]      
Cost recognition, weighted-average period, years 1 year 7 months 6 days    
Dividend payments $ 0   $ 0
Dividend yield 0.00% 0.00%  
Forfeiture rate 20.00% 20.00%  
Awards exercised during the period       
Fair value of awards vested 100,000 400,000  
Fair value of awards granted $ 100,000 $ 400,000