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6. Intangible assets (Tables)

12 Months Ended

Dec. 31, 2012

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

	December 31,
	2012				2011
(In thousands)	Gross Amount		Accumulated Amortization		Gross Amount		Accumulated Amortization
Purchased technology	$	1,563	$	(679)	$	1,528	$	(443)
Customer relationships		1,300		(296)		1,300		(79)
Trademark		480		(65)		480		(18)
Covenant not to compete		146		(146)		146		(136)
Patents		57		(32)		57		(29)
Other		80		(80)		80		(25)
Total	$	3,626	$	(1,298)	$	3,591	$	(730)

- Definition

Tabular disclosure of amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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