Related Party Transactions - Additional Information (Detail) (USD $)			1 Months Ended		3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Nov. 07, 2012 Intrexon Corporation	Jan. 25, 2012 Intrexon Corporation	Mar. 31, 2013 Intrexon Corporation	Mar. 31, 2012 Intrexon Corporation
Related Party Transaction [Line Items]
Payments for services						$ 10,400,000
Amounts paid for services incurred					1,300,000	1,100,000
Remaining service expenses expected to be incurred	$ 4,834,000	$ 6,912,000			$ 3,500,000	$ 9,300,000
Issuance of common stock			3,636,926	1,923,075