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Note 5 - Goodwill and Intangible Assets (Tables)

6 Months Ended

Jul. 01, 2012

Schedule of Goodwill [Table Text Block]

		Battery &				Communications				Discontinued
		Energy Products				Systems				Operations				Total
Balance at December 31, 2010		$	4,758			$	11,493			$	2,025			$	18,276
Effect of foreign currency translations			42				-				-				42
Balance at July 3, 2011			4,800				11,493				2,025				18,318
Effect of foreign currency translations			38				-				-				38
Balance at December 31, 2011			4,838				11,493				2,025				18,356
Effect of foreign currency translations			23				-				-				23
Balance at July 1, 2012		$	4,861			$	11,493			$	2,025			$	18,379

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

		July 1, 2012
						Accumulated
		Gross Assets				Amortization				Net
Trademarks		$	3,564			$	-			$	3,564
Patents and technology			4,497				3,574				923
Customer relationships			4,003				3,260				743
Distributor relationships			382				322				60
Non-compete agreements			397				397				-
Total intangible assets		$	12,843			$	7,553			$	5,290

		December 31, 2011
						Accumulated
		Gross Assets				Amortization				Net
Trademarks		$	3,563			$	-			$	3,563
Patents and technology			4,492				3,440				1,052
Customer relationships			3,993				3,143				850
Distributor relationships			378				310				68
Non-compete agreements			396				396				-
Total intangible assets		$	12,822			$	7,289			$	5,533

X

- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275

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X

- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 47

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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