Equity - Additional Information (Detail) (USD $)	9 Months Ended			9 Months Ended	1 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 First Amendment [Member]	Jul. 26, 2013 Intrexon Corporation [Member]	Sep. 30, 2013 Intrexon Corporation [Member]	Sep. 30, 2013 Series D Preferred Stock [Member]	Sep. 30, 2013 Series E Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, authorized		5,000,000
Preferred stock, outstanding		0
Preferred stock, issued		0
Accrued dividends							6.00%	8.00%
Accrued dividends payable	$ 300,000
Cash dividends paid on preferred stock	200,000
Agreement amendment date				Jun. 28, 2013
Company common stock value		28,000	26,000		7,500,000
Common stock value per share					$ 6.03	$ 5.25
Fair value of shares issued					$ 6,400,000
Common stock shares issued		27,520,527	26,229,909		1,243,781	1,317,520