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Note 3 - Restricted Share Activity (Details) (Restricted Stock [Member], USD $)
 3 Months Ended 9 Months Ended
Apr. 30, 2014
Oct. 31, 2014
Restricted Stock [Member]
    
Balance at January 31, 2014 (in shares) 0 0
Balance at January 31, 2014 (in dollars per share) $ 0 $ 0
Granted (in shares) 23,100 23,100
Granted (in dollars per share)   $ 1.59
Vested (in shares)   (17,100)
Vested (in dollars per share)   $ 1.59
Forfeited (in shares)   0
Forfeited (in dollars per share)   $ 0
Balance of unvested awards at October 31, 2014 (in shares)   6,000
Balance of unvested awards at October 31, 2014 (in dollars per share)   $ 1.59