Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Inventories [Abstract]

Inventories

Inventories consist of the following:

	September 30, 2012		December 31, 2011
	(in thousands)
Raw materials	$	2,048	$	2,034
Work-in-process		1,933		1,308
Finished products		6,149		4,661
Total inventories	$	10,130	$	8,003