PURCHASED INTANGIBLE ASSETS (Tables)

3 Months Ended

Apr. 30, 2018

PURCHASED INTANGIBLE ASSETS

Schedule of purchased intangible assets, other than goodwill

		April 30, 2018						January 31,
	Estimated Useful Life	Gross Amount		Accumulated Amortization		Net Amount		2018 (net amount)
Trade names	15 years-indefinite	$	8,323	$	3,492	$	4,831	$	4,966
Process certifications	7 years	1,897		655		1,242		1,310
Customer relationships	4-10 years	1,346		523		823		873
Totals		$	11,566	$	4,670	$	6,896	$	7,149