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

3 Months Ended

Sep. 28, 2014

Note 5. Goodwill Intangible Assets And Long Term Assets Tables

Schedule of goodwill activity by segment

	Battery & Energy			Communi- cations
	Products			Systems		Total
Balance - December 31, 2012	$	4,851		$	11,493	$	16,344
Effect of foreign currency translation		61			—		61
Balance – September 29, 2013		4,912			11,493		16,405
Effect of foreign currency translation		14			—		14
Balance - December 31, 2013		4,926			11,493		16,419
Effect of foreign currency translation		(12	)		—		(12	)
Balance – September 28, 2014	$	4,914		$	11,493	$	16,407

Schedule of intangible assets

	at September 28, 2014
			Accumulated
	Cost		amortization			Net
Trademarks	$	3,567	$	—		$	3,567
Patents and technology		4,509		(4,070	)		439
Customer relationships		4,028		(3,650	)		378
Distributor relationships		391		(362	)		29
Non-compete agreements		218		(218	)		—
Total intangible assets	$	12,713	$	(8,300	)	$	4,413
		at December 31, 2013
				Accumulated
		Cost		amortization			Net
Trademarks	$	3,568	$	—		$	3,568
Patents and technology		4,511		(3,941	)		570
Customer relationships		4,033		(3,562	)		471
Distributor relationships		393		(356	)		37
Non-compete agreements		218		(218	)		—
Total intangible assets	$	12,723	$	(8,077	)	$	4,646

Schedule of amortization expense

	Three-month periods ended				Nine-month periods ended
	September 28,		September 29,		September 28,		September 29,
	2014		2013		2014		2013
Amortization included in:
Research and development	$	44	$	56	$	131	$	167
Selling, general and administrative		34		46		101		134
Total amortization expense	$	78	$	102	$	232	$	301