Balance Sheets Details (Inventory) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Schedule of Inventory Components
Raw materials	$ 802	$ 588
Work in process	235	52
Finished goods	1,064	662
Inventory, net	$ 2,101	$ 1,302	[1]

[1] The Condensed Consolidated Balance Sheet as of December 31, 2012 has been derived from the audited consolidated financial statements as of that date, but does not include all disclosures including notes required by GAAP for complete financial statements.