Inventories (Tables)

6 Months Ended

Jun. 30, 2012

Inventories

Schedule of major classes of inventories

	June 30, 2012		December 31, 2011
Raw materials	$	1,803	$	1,892
Work in process	2,171		3,696
Finished goods	9,606		9,618
Total inventories	$	13,580	$	15,206