PURCHASED INTANGIBLE ASSETS (Tables)

12 Months Ended

Jan. 31, 2023

PURCHASED INTANGIBLE ASSETS

Schedule of changes in the balances of goodwill

	Power		Industrial		Telecom
	Services		Services		Services		Totals
Goodwill as of February 1, 2021	$	18,476	$	9,467	$	—	$	27,943
Impairment losses		—		—		—		—
Acquisition of LTI		—		—		90		90
Goodwill as of January 31, 2022		18,476		9,467		90		28,033
Impairment losses		—		—		—		—
Goodwill as of January 31, 2023	$	18,476	$	9,467	$	90	$	28,033
Balances, January 31, 2023:
Goodwill	$	22,525	$	14,365	$	90	$	36,980
Accumulated impairment losses		(4,049)		(4,898)		—		(8,947)
Goodwill as of January 31, 2023	$	18,476	$	9,467	$	90	$	28,033

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

		January 31, 2023						January 31, 2022
	Estimated	Gross		Accumulated		Net		Gross		Accumulated		Net
	Useful Life	Amounts		Amortization		Amounts		Amounts		Amortization		Amounts
Trade names	15 years	$	4,499	$	2,150	$	2,349	$	8,142	$	5,492	$	2,650
Process certifications	7 years		1,897		1,897		—		1,897		1,671		226
Customer relationships	10 years		916		656		260		916		565		351
Customer contracts	< 1 year		114		114		—		95		—		95
Totals		$	7,426	$	4,817	$	2,609	$	11,050	$	7,728	$	3,322

Schedule of expected amortization expense

The future amounts of amortization related to purchased intangibles are presented below for the years ending January 31,

2024	$	391
2025		392
2026		376
2027		300
2028		300
Thereafter		850
Total	$	2,609