Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Jan. 31, 2023

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, 2023	$	506		—			—	(a)		—		(b)	$	506
January 31, 2022	$	1,776		(820	)		—	(a)		(450	)	(b)	$	506
Allowance for obsolete equipment and inventory
January 31, 2023	$	2,418		445			—	(a)		(1,123	)	(c)	$	1,740
January 31, 2022	$	1,660		921			—	(a)		(163	)	(c)	$	2,418