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Leases (Tables)
 6 Months Ended
Jul. 31, 2023
Disclosure Text Block [Abstract]  
Lease, Cost [Table Text Block] The components of lease expense, classified as SG&A expenses on the Consolidated Statement of Operations are as follows (amounts in thousands):
   Three Months Ended
July 31,		   Six Months Ended
July 31,		 
   2023   2022   2023   2022 
Operating lease expense  $1,431   $1,991   $3,192   $3,601 
Variable lease expense   61    271    303    665 
Total lease expense  $1,492   $2,262   $3,495   $4,266 
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 July 31, 2023 (amounts in thousands):
Years Ended January 31,  Minimum Rentals 
Remainder of 2024  $2,853 
2025   4,477 
2026   2,325 
2027   2,276 
2028   1,846 
Thereafter   491 
Total   14,268 
Less: present value discount   1,568 
Operating lease liabilities  $12,700