Susequent Event - New Singapore Lease (Details) (Subsequent Event [Member], USD $)	3 Months Ended
	Mar. 31, 2013 sqft
Subsequent Event [Member]
Subsequent Event [Line Items]
Mixed office and warehouse facility, square footage	20,000
Lease expiration date	Jul. 24, 2016
Operating Leases, Future Minimum Payments Due	$ 1,300,000
Operating Leases, Rent Expense	$ 60,000
Lease renewal term	3 years