Collaboration and License Agreements (Details) (USD $)	1 Months Ended	12 Months Ended
	Jul. 31, 2005	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Collaborative Arrangements and Non-collaborative Arrangement Transactions
TX Enterprise Fund Award	$ 35,000,000
TX Enterprise Fund Award to Texas AM University System	15,000,000
TIGM Per Job Payment Amount		2,415
TIGM Maximum Exposure		14,200,000
TIGM Maximum Exposure Through Reporting Date		1,500,000
Taconic Total Cash Received		7,500,000
Document Period End Date		Dec. 31, 2013
Taconic Revenue		$ 700,000	$ 700,000	$ 800,000