Commitments, Contingencies, Guarantees and Indemnities (Details) (USD $)	Sep. 30, 2013 sqft
Office space | Novato, California
Commitments on rental lease
Area of office space (in square feet)	20,534
Remaining lease commitment	$ 2,700,000
Office space | Shanghai, China
Commitments on rental lease
Remaining lease commitment	16,200
Office space | London, United Kingdom
Commitments on rental lease
Remaining lease commitment	200,000
Office space | Blagnac, France
Commitments on rental lease
Remaining lease commitment	4,400
Office space | Dublin, Ireland
Commitments on rental lease
Remaining lease commitment	200,000
Office and warehouse space | San Diego, California
Commitments on rental lease
Remaining lease commitment	12,000
Warehouse lease | Shanghai, China
Commitments on rental lease
Remaining lease commitment	$ 27,300