Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventories

Schedule of inventories

As of March 31, 2013 and December 31, 2012, inventories consisted of the following (in thousands):

	March 31, 2013		December 31,  2012
Raw materials	$	—	$	143
Finished goods	89		39
	$	89	$	182