Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventories

Schedule of major classes of inventories

Our major classes of inventories were as follows as of March 31, 2013 and December 31, 2012 (in thousands):

	March 31, 2013		December 31, 2012
Raw materials	$	2,882	$	2,652
Work in process	2,022		2,524
Finished goods	6,388		7,275
Total inventories	$	11,292	$	12,451