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Schedule II - Valuation and Qualifying Accounts (Tables)
 12 Months Ended
Jan. 31, 2022
Notes Tables  
Valuation Allowances and Reserves [Table Text Block]

Col. A

 

Col. B

  

Col. C(1)

  

Col. C(2)

   

Col. D

   

Col. E

 
  

Balance at

  

Charged to

  

Charged

           
  

Beginning

  

Costs and

  

to Other

   

Deductions

   

Balance at End

 

Description

 

of Period

  

Expenses

  

Accounts

   

Describe

   

of Period

 

Allowance for doubtful accounts

                      

January 31, 2022

 $1,776   (820)  — 

(a)

  (450)

(b)

 $506 

January 31, 2021

 $4,054   1,129   (43)

(a)

  (3,364)

(b)

 $1,776 

Allowance for obsolete equipment and inventory

                      

January 31, 2022

 $1,660   921   — 

(a)

  (163)

(c)

 $2,418 

January 31, 2021

 $1,404   321   1 

(a)

  (66)

(c)

 $1,660