Schedule II - Schedule of Valuation and Qualifying Accounts - Schedule of Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Allowance for Bad Debt [Member]
Balance at beginning of period	$ 543	$ 487	$ 396
Charged to statements of income	479	92	144
Write-offs, net of recoveries	(5)	(24)	(31)
Impact of foreign currency translation	84	(12)	(22)
Balance at end of period	1,101	543	487
Allowance for Returns [Member]
Balance at beginning of period	2,397	2,414	1,367
Charged to statements of income	741	393	1,608
Write-offs, net of recoveries	(1,019)	(376)	(518)
Impact of foreign currency translation	120	(34)	(43)
Balance at end of period	2,239	2,397	2,414
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Balance at beginning of period	2,940	2,901	1,763
Charged to statements of income	1,220	485	1,752
Write-offs, net of recoveries	(1,024)	(400)	(549)
Impact of foreign currency translation	204	(46)	(65)
Balance at end of period	$ 3,340	$ 2,940	$ 2,901