Inventories (Tables)

12 Months Ended

Dec. 31, 2012

Inventory Disclosure [Abstract]

Schedule of inventory, net of reserves

Inventories, net of reserves, consisted of the following:

	As of December 31,
	2012		2011
Current:
Raw materials	$	734	$	1,091
Finished goods	10,139		11,474
	$	10,873	$	12,565
Long-term:
Raw materials	$	891	$	444
Finished goods	1,064		1,461
	$	1,955	$	1,905