Note 6 - Goodwill, Intangible Assets and Long Term Assets (Tables)

3 Months Ended

Apr. 02, 2017

Notes Tables

Schedule of Goodwill [Table Text Block]

	Battery & Energy			Communi- cations
	Products			Systems		Total
Balance - December 31, 2015	$	4,790		$	11,493	$	16,283
Acquisition of Accutronics		4,407			-		4,407
Effect of foreign currency translation		(106	)		-		(106	)
Balance – March 27, 2016		9,091			11,493		20,584
Measurement period adjustments		80			-		80
Effect of foreign currency translation		(699	)		-		(699	)
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

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	April 2, 2017
			Accumulated
	Cost		Amortization		Net
Trademarks	$	3,404	$	-	$	3,404
Customer relationships		6,436		4,026		2,410
Patents and technology		5,472		4,458		1,014
Distributor relationships		377		377		-
Trade Name		365		46		319
Total intangible assets	$	16,054	$	8,907	$	7,147

	at December 31, 2016
			Accumulated
	Cost		Amortization		Net
Trademarks	$	3,404	$	-	$	3,404
Customer relationships		6,395		3,975		2,420
Patents and technology		5,455		4,417		1,038
Distributor relationships		377		368		9
Trade Name		359		36		323
Total intangible assets	$	15,990	$	8,796	$	7,194