Schedule II - Valuation and Qualifying Accounts (Details) - SEC Schedule, 12-09, Allowance, Credit Loss [Member] - USD ($) $ in Thousands		12 Months Ended
		Jan. 31, 2020	Jan. 31, 2019
Allowance for doubtful accounts receivable		$ 536	$ 469
Allowance for doubtful accounts receivable, charges to expenses		123	140
Allowance for doubtful accounts receivable, write-offs	[1]	(254)	(272)
Allowance for doubtful accounts receivable, other charges/ (Reversals)	[2]	2	199
Allowance for doubtful accounts receivable		$ 407	$ 536

[1] Uncollectible accounts charged off.

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