6. Intangible assets

12 Months Ended

Dec. 31, 2013

Disclosure Text Block [Abstract]

Intangible Assets Disclosure [Text Block]

6. Intangible assets

Identifiable intangible assets are recorded in Intangible assets in the accompanying Consolidated Balance Sheets and are comprised of the following:

	December 31,
	2013				2012
(In thousands)	Gross Amount		Accumulated Amortization		Gross Amount		Accumulated Amortization
Purchased technology	$	1,604	$	(924)	$	1,563	$	(679)
Customer relationships		1,300		(513)		1,300		(296)
Trademark		480		(113)		480		(65)
Covenant not to compete		146		(146)		146		(146)
Patents		57		(35)		57		(32)
Other		80		(80)		80		(80)
Total	$	3,667	$	(1,811)	$	3,626	$	(1,298)

Amortization expense was $513,000 in 2013, $568,000 in 2012 and $255,000 in 2011.  Amortization expense for each of the next five years ending December 31 is expected to be as follows: $514,000 in 2014; $456,000 in 2015; $333,000 in 2016; $244,000 in 2017; and $309,000 thereafter.