PURCHASED INTANGIBLE ASSETS (Tables)

3 Months Ended

Apr. 30, 2020

PURCHASED INTANGIBLE ASSETS

Schedule of company's purchased intangible assets, other than goodwill

		April 30, 2020						January 31,
	Estimated	Gross		Accumulated		Net		2020 (net
	Useful Life	Amount		Amortization		Amount		amount)
Trade names	15 years	$	8,142	$	4,578	$	3,564	$	3,699
Process certifications	7 years		1,897		1,197		700		768
Customer relationships	4-10 years		1,346		834		512		534
Totals		$	11,385	$	6,609	$	4,776	$	5,001