Schedule II - Valuation and Qualifying Accounts - Valuation Allowance (Details) - SEC Schedule, 12-09, Allowance, Credit Loss [Member] - USD ($) $ in Thousands		12 Months Ended
		Jan. 31, 2021	Jan. 31, 2020
Allowance for doubtful accounts receivable		$ 407	$ 536
Allowance for doubtful accounts receivable, charges to expenses		72	123
Allowance for doubtful accounts receivable, write-offs	[1]	(7)	(254)
Allowance for doubtful accounts receivable, other charges/ (Reversals)	[2]	2	2
Allowance for doubtful accounts receivable		$ 474	$ 407

[1] Uncollectible accounts charged off.

[2] Primarily related to recoveries from accounts previously charged off and currency translation.