PURCHASED INTANGIBLE ASSETS

3 Months Ended

Apr. 30, 2016

PURCHASED INTANGIBLE ASSETS

PURCHASED INTANGIBLE ASSETS

NOTE 8 — PURCHASED INTANGIBLE ASSETS

At April 30, 2016, the goodwill balances related to the acquisitions of GPS, TRC and APC were $18.5 million, $14.3 million and $4.0 million, respectively. The Company’s intangible assets, other than goodwill, consisted of the following amounts at April 30 and January 31, 2016:

		April 30, 2016						January 31,
	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Amount		2016 Net Amount
Trade Names
TRC	Indefinite	$	4,499	$	—	$	4,499	$	4,499
GPS	15 years	3,643		2,282		1,361		1,421
SMC	Indefinite	181		—		181		181
Process Certifications
TRC	7 years	1,897		113		1,784		1,852
Customer Relationships
TRC	10 years	916		38		878		901
APC	4 years	430		145		285		371
Other Intangibles	various	288		253		35		119
Totals		$	11,854	$	2,831	$	9,023	$	9,344

Amortization expense was $0.3 million and $0.1 million for the three months ended April 30, 2016 and 2015, respectively.