6.	GOODWILL, INTANGIBLE ASSETS AND LONG TERM ASSETS

a. Goodwill

The following table summarizes the goodwill activity by segment for the

three

-month periods ended

April 1, 2018

and

April 2, 2017:

	Battery & Energy		Communi- cations
	Products		Systems		Total

Balance - December 31, 2016	$	8,472	$	11,493	$	19,965
Effect of Foreign Currency Translation		83		-		83
Balance – April 2, 2017		8,555		11,493		20,048
Effect of Foreign Currency Translation		410		-		410
Balance - December 31, 2017		8,965		11,493		20,458
Effect of Foreign Currency Translation		240		-		240
Balance – April 1, 2018	$	9,205	$	11,493	$	20,698

b. Other Intangible Assets

The composition of other intangible assets was:

	at April 1, 2018
			Accumulated
	Cost		A mortization		Net

Trademarks	$	3,415	$	-	$	3,415
Customer Relationships		6,720		4,277		2,443
Patents and Technology		5,586		4,641		945
Distributor Relationships		377		377		-
Trade Name		408		92		316
Total Other Intangible Assets	$	16,506	$	9,387	$	7,119

	at December 31, 2017
			Accumulated
	Cost		A mortization		Net

Trademarks	$	3,411	$	-	$	3,411
Customer Relationships		6,618		4,208		2,410
Patents and Technology		5,545		4,595		950
Distributor Relationships		377		377		-
Trade Name		393		79		314
Total Other Intangible Assets	$	16,344	$	9,259	$	7,085

Amortization expense for intangible assets was

$102

and

$105

for the

three

-month periods ended

April 1, 2018

and

April 2, 2017,

respectively. Amortization included in research and development expenses was

$38

and

$40

for the

three

-month periods ended

April 1, 2018

and

April 2, 2017,

respectively. Amortization included in selling, general and administrative expenses was

$64

and

$65

for the

three

-month periods ended

April 1, 2018

and

April 2, 2017,

respectively.

The change in the cost value of total intangible assets from

December 31, 2017

April 1, 2018

is a result of the effect of foreign currency translations.