Technology Agreements (Details) (Network-1 MOU, USD $) In Millions, unless otherwise specified	0 Months Ended	12 Months Ended
	Jul. 16, 2010	Jun. 27, 2010
Network-1 MOU
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Term of license agreement	9 years 8 months
Fees for grant of license	$ 2.4
Fees for grant of license expensed to cost of goods sold		0.2
Fees for grant of license expensed to litigation settlement		0.8
Capitalized fees for grant of license		$ 1.4