2. Inventories (Tables)

3 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	March 31,		December 31,
	2014		2013
	(In thousands)
Raw materials and purchased component parts	$	7,652	$	7,263
Work-in-process		2		31
Finished goods		5,896		6,215
	$	13,550	$	13,509