Share-Based Payments (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock-Based Compensation Costs

Stock-based compensation costs included in the consolidated statements of operations are presented below:

	Three Months Ended   March 31,
	2016		2015
Cost of products	$	20	$	34
Cost of services	68		98
Research and development	2,565		1,769
Selling, general and administrative	10,535		8,358
Total	$	13,188	$	10,259

Schedule of Stock Option Activity

Stock option activity under Intrexon's award plans was as follows:

	Number of Shares		Weighted Average Exercise Price			Weighted Average Remaining Contractual Term (Years)
Balances at December 31, 2015	11,043,528		$	32.66		8.49
Granted	848,360		32.50
Exercised	(537,307	)	(24.81		)
Forfeited	(841,002	)	(35.31		)
Expired	(3,491	)	(29.68		)
Balances at March 31, 2016	10,510,088		32.84			8.13
Exercisable at March 31, 2016	3,147,589		22.12			6.16
Vested and Expected to Vest at March 31, 2016(1)	8,906,749		31.86			7.95

(1) The number of stock options expected to vest takes into account an estimate of expected forfeitures.