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Stock-Based Compensation
 6 Months Ended
Jul. 31, 2015
Share-based Arrangements with Employees and Nonemployees [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

Note 9. Stock-Based Compensation


The Company has a stock-based compensation plan which reserves a total of 550,000 shares of common stock for issuance pursuant to its terms. The plan provides for the granting of shares of stock, including options to purchase shares of common stock, stock appreciation rights tied to the value of common stock, restricted stock, and restricted stock unit awards to eligible employees, non-employee directors and consultants. The Company measures share-based compensation grants at fair value on the grant date, adjusted for estimated forfeitures. The Company records noncash compensation expense related to equity awards in its consolidated financial statements over the requisite service period on a straight-line basis. All of the Company’s existing share-based compensation awards have been determined to be equity awards. Restricted stock has been granted to directors at the market price of REX common stock on the date of the grant. In addition one third of executives’ incentive compensation is payable by an award of restricted stock based on the then market price of REX common stock. 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  

At July 31, 2015, unrecognized compensation cost related to nonvested restricted stock was approximately $189,000.