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Note 3 - Stock-Based Compensation (Tables)
6 Months Ended
Jul. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
   

Restricted Shares

 
   

Shares

   

Weighted-Average Per Share Grant Date Fair Value

 
                 

Balance at January 31, 2013

           

Granted

    18,000     $ 1.72  

Vested

    (9,000 )   $ 1.72  

Forfeited

           

Balance of unvested awards at July 31, 2013

    9,000     $ 1.72