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Stock-Based Compensation (Tables)
 3 Months Ended
Apr. 30, 2016
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 months ended April 30, 2016:

    Non-Vested
Shares		     Weighted-Average Grant
Date Fair Value
(in thousands)		     Weighted-
Average Vesting
Term (in years)		  
                   
 Non-Vested at January 31, 2016     3,168     $ 200          
Granted     —       —          
Forfeited     —       —          
Vested     —       —          
Non-Vested at April 30, 2016     3,168     $ 200       2