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Stock-Based Compensation (Tables)
6 Months Ended
Jul. 31, 2015
Share-based Arrangements with Employees and Nonemployees [Abstract]  
Schedule of Nonvested Share Activity [Table Text Block] The following table summarizes non-vested stock award activity for the three and six months ended July 31, 2015:

    Non-Vested
Shares
    Weighted-
Average Grant
Date Fair Value
(in thousands)
    Weighted-
Average Vesting
Term (in years)
 
                         
Non-Vested at January 31, 2015         $          
Granted     3,168       200          
Forfeited                    
Vested                    
Non-Vested at July 31, 2015     3,168     $ 200       3