Note 5 - Goodwill, Intangible Assets and Long Term Assets (Tables)

9 Months Ended

Sep. 27, 2015

Note 6 - Goodwill Intangible Assets And Long Term Assets Tables

Schedule of Goodwill Activity by Segment

	Battery & Energy			Communi- cations
	Products			Systems		Total
Balance - December 31, 2013	$	4,926		$	11,493	$	16,419
Effect of foreign currency translation		(16	)		—		(16	)
Balance – September 28, 2014		4,910			11,493		16,403
Effect of foreign currency translation		4			—		4
Balance - December 31, 2014		4,914			11,493		16,407
Effect of foreign currency translation		(80	)		—		(80	)
Balance – September 27, 2015	$	4,834		$	11,493	$	16,327

Schedule of Intangible Assets

	at September 27, 2015
			Accumulated
	Cost		amortization			Net
Trademarks	$	3,563	$	—		$	3,563
Patents and technology		4,491		(4,193	)		298
Customer relationships		3,991		(3,715	)		276
Distributor relationships		377		(359	)		18
Total intangible assets	$	12,422	$	(8,267	)	$	4,155
		at December 31, 2014
			Accumulated
		Cost	amortization			Net
Trademarks	$	3,567	$	—		$	3,567
Patents and technology		4,509		(4,114	)		395
Customer relationships		4,029		(3,679	)		350
Distributor relationships		391		(365	)		26
Total intangible assets	$	12,496	$	(8,158	)	$	4,338

Schedule of Amortization of Intangible Assets

	Three-month periods ended				Nine-month periods ended
	September 27,		September 28,		September 27,		September 28,
	2015		2014		2015		2014
Amortization included in:
Research and development	$	32	$	44	$	97	$	131
Selling, general and administrative		29		34		83		101
Total amortization expense	$	61	$	78	$	180	$	232