16. Geographic area information (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

	Year Ended December 31,
(In thousands)	2013		2012		2011
Net sales:
United States	$	46,377	$	49,932	$	49,301
International		13,764		18,454		16,668
Total	$	60,141	$	68,386	$	65,969
Fixed assets, net:
United States	$	1,583	$	1,941	$	2,129
International		1,149		1,361		1,229
Total	$	2,732	$	3,302	$	3,358