Inventory (Tables)

3 Months Ended

Jun. 30, 2012

Inventory

Schedule of Current Inventory

	As of June 30, 2012	As of December 31, 2011
Current:
Raw materials	$                   951	$                1,091
Finished goods	14,113	11,474
	$              15,064	$              12,565

Schedule of Long-term Inventory, net of reserves

	As of June 30, 2012	As of December 31, 2011
Long-term:
Raw materials	$                   653	$                   444
Finished goods	1,411	1,461
	$                2,064	$                1,905