4. Inventories (Tables)

12 Months Ended

Dec. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	December 31,
(In thousands)	2013		2012
Raw materials and purchased component parts	$	7,263	$	6,871
Work-in-process		31		-
Finished goods		6,215		3,450
	$	13,509	$	10,321