2. Inventories (Tables)

3 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

The components of inventories are:

	June 30,		December 31,
	2014		2013
	(In thousands)
Raw materials and purchased component parts	$	8,118	$	7,263
Work-in-process		1		31
Finished goods		5,889		6,215
	$	14,008	$	13,509