Inventories (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Raw materials	$ 387	$ 803
Finished goods	1,842	2,106
Inventory Gross	2,229	2,909
Less: Inventory allowance	(146)	(33)
Inventories, net	$ 2,083	$ 2,876	[1]

[1] Amounts derived from the audited financial statements for the year ended December 31, 2011.