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LEASES (Tables)
9 Months Ended
Oct. 31, 2019
LEASES (Tables) [Line Items]  
Lease, Cost [Table Text Block] The components of lease expense, classified as SG&A expenses on the Consolidated Condensed Statement of Operations are as follows:

   Three Months
Ended
October 31, 2019
   Nine Months
Ended
October 31, 2019
 
             
Operating lease expense  $ 1,557   $  4,867 
Variable lease expense     139      491 
Total lease expense  $ 1,696   $ 5,358 
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] The following table is a summary of future minimum rentals on such leases at October 31, 2019 (amounts in thousands):

Years Ended January 31,  Minimum
Rentals
 
      
Remainder of 2020   $1,620 
2021    5,668 
2022    4,958 
2023    3,251 
2024    2,085 
Thereafter    1,257 
Total    18,839 
Less: present value discount  1,822 
Operating lease liabilities $17,017 
3743 Railroad Equipment [Member]  
LEASES (Tables) [Line Items]  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] At January 31, 2019, future minimum annual rentals on such leases were as follows (amounts in thousands):

Years Ended January 31,  Minimum
Rentals
 
     
2020  $6,767 
2021   5,487 
2022   4,791 
2023   3,208 
2024   2,041 
Thereafter   1,221 
Total  $23,515