v3.5.0.1
Note 4 - Stock Options Activity (Details) - $ / shares
3 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Balance, stock options (in shares) 950,000  
Balance, stock options, weighted-average exercise price (in dollars per share) $ 0.66  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 0 0
Options granted, weighted-average exercise price (in dollars per share) $ 0  
Options canceled or expired (in shares) (90,000)  
Options canceled or expired, weighted-average exercise price (in dollars per share)  
Options exercise (in shares) 0  
Options exercise, weighted-average exercise price (in dollars per share) $ 0  
Balance, stock options (in shares) 860,000  
Balance, stock options, weighted-average exercise price (in dollars per share) $ 0.70  
Stock Options Exercisable (in shares) 520,000  
Stock Options Exercisable, weighted-average exercise price (in dollars per share) $ 0.98